He will be paroled, and under supervised release. He will receive and sign off on the Terms and Conditions of Parole, and be assigned a Parole Agent who will go over the T's & C's with him to make sure he understands them in detail.
Generally parolees are classified by risks and needs developed by the agent and his supervisor. A sex offender is an example of a person placed on Maximum supervision as can career criminals, they can be followed by teams of agents. Sex offenders can be placed on an electronic monitor with GPS. They are restricted from areas where victims may congregate - schools, playgrounds, malls, etc. -; OJ does not fit the category of either a sex offender of a career criminal.
He will likely be placed on a Medium level, seen at home once a month and in the office one or two times per month by his agent, and evaluated of any risks and needs during the first 6 months. At that time he may have his supervision schedule modified after case conferencing between the supervisor and the agent (and because of his celebrity the manager will likely have input throughout the process).