How to automatically provision roles to users

Summary:

There is a requirement from our client to automatically provision roles to users. Can we use the Manage Role Provisioning Rules functionality? Usually, we only use this functionality to auto provision abstract roles (e.g. Employee role, Line Manager role, etc). What are the Pros and Cons in using the Manage Role Provisioning Rules to auto provision non abstract roles to users (e.g. Human Resource Analyst, Human Resource Specialist, Compensation Manager, Accounts Payable Manager, etc). Are there other ways to automatically provision roles to users?

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