@AxD
Thank you for your post!
Error Message:
The operation is not Allowed by RBAC. If the role assignments were recently changed, please wait several minutes for role assignments to become effective.
Based off the error message and in order to see your Secrets, Keys, or Certificates, you'll have to assign the appropriate built-in RBAC for Key Vault role to gain access to data plane operations. When it comes to the Contributor role, you do have full access to manage all resources (with a few exceptions) at the management plane (Azure RBAC). However, when it comes to accessing the Azure Key Vault, this requires a user to also have data plane permissions (Key Vault access policy or Azure RBAC for Key Vault), for more info - Access model overview.
Additional Links:
Azure built-in roles for Key Vault data plane operations
Using Azure RBAC secret, key, and certificate permissions with Key Vault
Azure Key Vault security
Key Vault Secrets User
Azure RBAC - Contributor
If you have any other questions, please let me know.
Thank you for your time and patience throughout this issue.
----------
Please remember to "Accept Answer" if any answer/reply helped, so that others in the community facing similar issues can easily find the solution.