Hey,
Currently there is no method for using the PIM for Azure SQL at the moment.
Its based on the below access parts:
https://learn.microsoft.com/en-us/azure/azure-sql/database/logins-create-manage?view=azuresql
https://learn.microsoft.com/en-us/azure/azure-sql/database/authentication-aad-overview?view=azuresql
To grant access to users
@Alberto Morillo :please correct me if I am wrong