Yes. Any TRA and Sec.8 recipient can receive services through any real estate agency in NJ. There is a discrimination Law called LAD(Law Against Discrimination & HUD (Housing Urban Development. These protect laws protect you as a citizen of NJ.
Landlords can not refuse your payment.
There are guidelines for a Landlords to abide by in the state of NJ.
I hope this help with answering your questions.
If your interested in receiving services from a real estate professional for a rental I would be able to assist you with any of your questions or concerns at anytime.