Post Conviction Supervision is for the benefit of protecting the public, satisfying the requirements of the Court, and improving the condition, conduct, and opportunities of the individual being supervised. You can also gather more needed information on the basic definition, expectations, and process, family involvement, and needed forms and documents.
The information and documents in the corresponding webpages and links explain much of that in detail. More can also be found in this summary document of the Benefits of Supervision.