Using oAuth Consumer with Bitbucket Branch Source plugin

I want to use the Bitbucket oAuth Consumer as the Scan Credentials for a Multibranch Pipeline.
This works ok. But I am not sure if that requires a logged in user to work, or will it work event if someone is not logged in ?

Jenkins setup:
Jenkins: 2.418
OS: Linux - 4.14.320-242.534.amzn2.x86_64
Java: 11.0.20 - Eclipse Adoptium (OpenJDK 64-Bit Server VM)

amazon-ecs:1.48
apache-httpcomponents-client-4-api:4.5.14-150.v7a_b_9d17134a_5
authentication-tokens:1.53.v1c90fd9191a_b_
aws-credentials:191.vcb_f183ce58b_9
aws-global-configuration:128.ve2c5685a_09c3
aws-java-sdk:1.12.481-392.v8b_291cfcda_09
aws-java-sdk-cloudformation:1.12.481-392.v8b_291cfcda_09
aws-java-sdk-codebuild:1.12.481-392.v8b_291cfcda_09
aws-java-sdk-ec2:1.12.481-392.v8b_291cfcda_09
aws-java-sdk-ecr:1.12.481-392.v8b_291cfcda_09
aws-java-sdk-ecs:1.12.481-392.v8b_291cfcda_09
aws-java-sdk-efs:1.12.481-392.v8b_291cfcda_09
aws-java-sdk-elasticbeanstalk:1.12.481-392.v8b_291cfcda_09
aws-java-sdk-iam:1.12.481-392.v8b_291cfcda_09
aws-java-sdk-kinesis:1.12.481-392.v8b_291cfcda_09
aws-java-sdk-logs:1.12.481-392.v8b_291cfcda_09
aws-java-sdk-minimal:1.12.481-392.v8b_291cfcda_09
aws-java-sdk-sns:1.12.481-392.v8b_291cfcda_09
aws-java-sdk-sqs:1.12.481-392.v8b_291cfcda_09
aws-java-sdk-ssm:1.12.481-392.v8b_291cfcda_09
aws-secrets-manager-credentials-provider:1.202.ve0ec0c17611c
aws-secrets-manager-secret-source:1.62.v120c8e5058ee
bitbucket-oauth:0.13
bitbucket-push-and-pull-request:2.8.3
blueocean:1.27.5
blueocean-bitbucket-pipeline:1.27.5
blueocean-commons:1.27.5
blueocean-config:1.27.5
blueocean-core-js:1.27.5
blueocean-dashboard:1.27.5
blueocean-display-url:2.4.2
blueocean-events:1.27.5
blueocean-git-pipeline:1.27.5
blueocean-github-pipeline:1.27.5
blueocean-i18n:1.27.5
blueocean-jwt:1.27.5
blueocean-personalization:1.27.5
blueocean-pipeline-api-impl:1.27.5
blueocean-pipeline-editor:1.27.5
blueocean-pipeline-scm-api:1.27.5
blueocean-rest:1.27.5
blueocean-rest-impl:1.27.5
blueocean-web:1.27.5
bootstrap5-api:5.3.0-1
bouncycastle-api:2.29
branch-api:2.1122.v09cb_8ea_8a_724
caffeine-api:3.1.6-115.vb_8b_b_328e59d8
checks-api:2.0.0
cloudbees-bitbucket-branch-source:825.va_6a_dc46a_f97d
cloudbees-folder:6.846.v23698686f0f6
command-launcher:100.v2f6722292ee8
commons-lang3-api:3.13.0-62.v7d18e55f51e2
commons-text-api:1.10.0-68.v0d0b_c439292b_
configuration-as-code:1670.v564dc8b_982d0
credentials:1271.v54b_1c2c6388a_
credentials-binding:631.v861c06d062b_4
display-url-api:2.3.8
durable-task:513.vc48a_a_075a_d93
echarts-api:5.4.0-5
envinject:2.908.v66a_774b_31d93
envinject-api:1.199.v3ce31253ed13
favorite:2.4.3
font-awesome-api:6.4.0-2
git:5.2.0
git-client:4.4.0
github:1.37.3
github-api:1.314-431.v78d72a_3fe4c3
github-branch-source:1732.v3f1889a_c475b_
handy-uri-templates-2-api:2.1.8-22.v77d5b_75e6953
htmlpublisher:1.32
instance-identity:173.va_37c494ec4e5
ionicons-api:56.v1b_1c8c49374e
jackson2-api:2.15.2-350.v0c2f3f8fc595
jakarta-activation-api:2.0.1-3
jakarta-mail-api:2.0.1-3
javax-activation-api:1.2.0-6
javax-mail-api:1.6.2-9
jaxb:2.3.8-1
jdk-tool:66.vd8fa_64ee91b_d
jenkins-design-language:1.27.5
jjwt-api:0.11.5-77.v646c772fddb_0
job-dsl:1.84
jquery3-api:3.7.0-1
jsch:0.2.8-65.v052c39de79b_2
junit:1217.v4297208a_a_b_ce
mailer:463.vedf8358e006b_
matrix-auth:3.1.10
matrix-project:808.v5a_b_5f56d6966
mercurial:1260.vdfb_723cdcc81
mina-sshd-api-common:2.10.0-69.v28e3e36d18eb_
mina-sshd-api-core:2.10.0-69.v28e3e36d18eb_
okhttp-api:4.11.0-157.v6852a_a_fa_ec11
pipeline-build-step:505.v5f0844d8d126
pipeline-cloudwatch-logs:0.2
pipeline-graph-analysis:202.va_d268e64deb_3
pipeline-groovy-lib:671.v07c339c842e8
pipeline-input-step:477.v339683a_8d55e
pipeline-milestone-step:111.v449306f708b_7
pipeline-model-api:2.2144.v077a_d1928a_40
pipeline-model-definition:2.2144.v077a_d1928a_40
pipeline-model-extensions:2.2144.v077a_d1928a_40
pipeline-rest-api:2.33
pipeline-stage-step:305.ve96d0205c1c6
pipeline-stage-tags-metadata:2.2144.v077a_d1928a_40
pipeline-stage-view:2.33
plain-credentials:143.v1b_df8b_d3b_e48
plugin-util-api:3.3.0
pubsub-light:1.17
scm-api:676.v886669a_199a_a_
scm-filter-branch-pr:77.vf2b_85e1970d5
scmskip:1.0.3
script-security:1264.vecf66020eb_7d
snakeyaml-api:1.33-95.va_b_a_e3e47b_fa_4
sse-gateway:1.26
ssh-credentials:308.ve4497b_ccd8f4
sshd:3.303.vefc7119b_ec23
structs:324.va_f5d6774f3a_d
token-macro:384.vf35b_f26814ec
trilead-api:2.84.v72119de229b_7
variant:59.vf075fe829ccb
workflow-api:1251.vd4889a_b_0a_065
workflow-basic-steps:1042.ve7b_140c4a_e0c
workflow-cps:3731.ve4b_5b_857b_a_d3
workflow-durable-task-step:1284.v4fcd365b_75b_e
workflow-job:1316.vd2290d3341a_f
workflow-multibranch:756.v891d88f2cd46
workflow-scm-step:415.v434365564324
workflow-step-api:639.v6eca_cd8c04a_a_
workflow-support:848.v5a_383b_d14921