Forum Discussion
Guest users limitations
Hi! Can guest users use the Updates and Approvals apps?
No, since Guests can't see apps on the rail etc. They won't have access to the Updates app to do the actual updates etc. Same with Approvals.
https://learn.microsoft.com/en-us/microsoftteams/apps-external-users#add-update-and-delete-apps-for-guests
https://learn.microsoft.com/en-us/microsoftteams/apps-external-users#add-update-and-delete-apps-for-guests