If you want a refund for SuperGrok, first confirm if Apple actually billed you...

https://telegra.ph/How-Do-I-Check-My-SuperGrok-Charge-Amount-in-Apple-Purchase-History-07-21

If you want a refund for SuperGrok, first confirm if Apple actually billed you by checking your purchase history or iOS Subscriptions. Remember, canceling the subscription won’t automatically get your money back. To request a refund, go to reportaproblem