The Rising Talent status is assigned automatically when a freelancer meets the requirements. This process is working as designed and we can't specify a reason why a freelancer isn't eligible for receiving the Rising Talent badge. Once you qualify, you should receive a notification letting you know.
Not all projects and clients are equal, so the time it takes to get a Job Success Score varies. In order to get a Job Success Score, you need to complete:
Projects with 2 (or more) different clients
4 (or more) different contracts within 24 months