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All these groups are mapped to existing groups in JIRA. After setting them first time during Initial Setup you can change it later in plugins Admin Configuration.
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.
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- create new Vacation Document for selected Supervisor (but not himself),
- edit or delete his own Vacation Documents before sending it to Supervisor,
- send his Vacation Documents to Supervisor,
- browse only his Vacation Documents,
- access User Menu in Navigation Bar Menu and its functions,
- view his vacation statistics.
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