I know for Android Beta Testing you have to white list the mobiles that will be testing and the person downloading has to have a Samsung account or they don’t show up on the mobiles. Did you register the TVs ?
I’ve passed this on to the Smart TV Seller Store management and they asked that these questions be first submitted to the TV Seller Store 1:1 Q/A support first so they can track it. If you have done that and don’t have a reasonable response let me know. I notice that I couldn’t open the 1:1 Seller Store support so if you can’t create a ticket let me know that too.
On a positive note
Developer Support has asked the TV Seller Store customer support to start monitoring this forum. My manager will work with them to get credentials for this Forum.