If you want a refund for SuperGrok, first make sure 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 make sure Apple actually billed you by checking your purchase history. Look at your iOS Subscriptions to confirm. Remember, canceling the subscription doesn’t automatically give a refund