In a tenant if a user has the appropriate licenses assigned, to access environments, the users sync into all the environments automatically.
If users were added to security groups, the security role should be associated with the environment.
1.Have you assigned sales license to the specific user?
2.Check the security role is nested security group?
3.Have you can see the specific user in PPAC?
If not, you can use the following procedure to add users manually in PPAC:
Moreover,you can use Force Sync user action of Power Platform Management Connector.
André Arnaud de Cal... 291,642 Super User 2024 Season 2
Martin Dráb 230,371 Most Valuable Professional
nmaenpaa 101,156