If Apple billed your SuperGrok subscription by mistake, you can request a...

https://wiki-burner.win/index.php/I_Can%E2%80%99t_See_the_Cancel_Button_for_SuperGrok_in_Subscriptions:_What_to_Do

If Apple billed your SuperGrok subscription by mistake, you can request a refund at reportaproblem.apple.com. Go to the iOS Subscriptions section, find SuperGrok, and submit your refund request