Get User Presence API with Application Permission now available in Graph v1.0. I verified it.
See this comment too from December 21, 2023. The Graph API change log is not yet updated.
therefore, following Api should work now with application permission.
https://graph.microsoft.com/v1.0/users/6e7b768e-07e2-4810-8459-485f84f8f204/presence
https://graph.microsoft.com/v1.0/communications/presences/6e7b768e-07e2-4810-8459-485f84f8f204
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