Hello @Victor Fritz,
Thanks for reaching out!
Currently, there is no property available in teamwork Graph API to check if the app is allowed/blocked to download by the users in the organization.
Reference Documents:
- https://learn.microsoft.com/en-us/graph/api/resources/teamsapp?view=graph-rest-beta
- https://learn.microsoft.com/en-us/graph/api/resources/teamsappsettings?view=graph-rest-beta
Hope this helps.
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