I don't use stable coins to buy anything so not sure. But if you scroll down this link there is a list of goods and services you can buy directly with Monero. Still working on it.

https://pb.envs.net/?fddbb02f3599dc10#5o6C51E4iNNQC5APBegEsMRTcDsNcHUFZXEMz6RNbUhq