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The indication of user availability on issue view can be disabled if you don’t want them to show up on every user field. To disable it,
Go to Jira system administration → Manage Apps
Look for the User Absence Planner app and expand the available modules
Disable module UserAbsencePlanner IssueView Web Resources module.
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Disable module to remove user availability indication on issue view
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You can find the settings page in the manage apps section on the left sidebar.
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You can set groups who have access to the app in general. If access groups are set, only members of those groups will see the user absence planner in their user profile and only for those users, an availability indication is displayed in Jira issues. With this setting, you can restrict access to the app features to certain departments or sections within your organisation.
Furthermore, you can define groups or individual users who are permitted to add and edit absences for other users. This might be useful if someone from your team is responsible for maintaining absences for the entire team and not every users should do that individually.
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