If Apple charged you for a SuperGrok subscription, you can request a refund by...

https://technivorz.com/what-refund-reason-should-i-pick-for-supergrok-on-apple/

If Apple charged you for a SuperGrok subscription, you can request a refund by visiting reportaproblem.apple.com. Just sign in, select iOS Subscriptions, find SuperGrok, and choose the refund option