What are Product rights?
Products right are a legal form of information on how a digital product can be used. There are three forms of product rights: Private Label Rights, Resell Rights, and Master Resale Rights.
PLR or Private Label Rights permit the owner to use the product in any way they desire.
RR or Resell Rights give you the permission to sell the product to other buyers.
MRR or Master Resale Rights let you resell the product as well as the rights for reselling it.