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Vacation Manager internally uses also fourth group - Admins. This group can't be configured directly in plugin settings, as all admins are getting directly from your JIRA admin list.
Users Group
Main group for end users that can create new Vacation Documents (send new vacation requests).
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You can get more information for this group in Users Documentation section.
Supervisors Group
Group that users can send to Vacation Documents and accept/reject them.
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You can get more information for this group in Supervisors Documentation section.
HR Group
Users in human resources group can manage
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You can get more information for this group in HR Documentation section.
Admins
Admin users that are also admins in your JIRA.
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You can get more information for this group in Admins Documentation section.
Technical details
Groups in Vacation Manager are connected to standard JIRA groups and are used in VACMAN Notification Scheme, VACMAN Permission Scheme and VACMAN Issue Security Scheme.
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