Yes, you may. Any changes should be made before the next scheduled payment due date. Changes made thereafter, auto payment will continue and will only bedisabled for the next payment.
Step 1: Enter Recent/Saved bills > Select biller with auto payment scheduled
Step 2: Click on "Auto Payment Scheduled" button
Step 3: Turn off "Activate auto payment" toggle and click "Save"
Your scheduled auto payment for the biller will be disabled until you enable it again.