It turned out that the custom commentary file he had downloaded was not officially sanctioned by EA Sports, and by downloading it, he had potentially breached the game's terms of service.
If the option is greyed out or "locked," it is often due to the regional version of the game you purchased. Some users fix this by modifying the Windows Registry: HOW TO CHANGE COMMENTARY LANGUAGE ON FIFA/EAFC fifa 22 english commentary file download for pc hot