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Everyone – Team is visible to anyone on this Jira instance.
Specific users – Team is visible to the Team Lead, Team Members, anyone with the Tempo Team Administrator permission, and Jira users or groups that are added to a permission role for the team.
If you want your team to be visible to specific non-team members, you can create a permission role that grants no team permissions. Then you can add Jira users or groups to this permission role that will only have the View team permission.