This is a user to user forum, no amdrewards support from here.
But if you have already received and entered the 'sellers coupon code number' on the amdrewards site then you should be o.k. for receiving the games after claim expiry.
All the info is in the amdrewards FAQ and T & C.
Ryzen 5 5600x, B550 aorus pro ac, Hyper 212 black, 2 x 16gb F4-3600c16dgtzn kit, NM790 2TB, Nitro+RX6900XT, RM850, Win.10 Pro., LC27G55T..