No, the designer of the product keeps the rights to the product, can sell the digital files an unlimited number of times, and determine how long the product is available for sale. 

As a buyer of the product, you are allowed to use the model multiple times in your projects, with no limits imposed on the time period or sales volume of the final product (such as video, film, animation, video game, VR/AR application, or any project incorporating the 3D model).

Did this answer your question?