Sportsbooks often set limits or trigger account reviews due to factors like...

https://betmentor.com/blog/welcome-until-you-win-how-to-avoid-getting-limited-or-booted-by-your-sportsbook-976

Sportsbooks often set limits or trigger account reviews due to factors like Customer Lifetime Value (CLV), which helps them manage risk. To avoid delays, ensure your KYC documents are accurate and your payment details match your registered name exactly