Depending on your sales flow, you may opt to set your sales/commissions on pending approval.
To Get started, Click referral program on your admin dashboard
Step 2. Click on the blue pencil icon below action.
Step 3. Show advance settings
Step 4. Make sure that "All sales from this referral program must be approved before being added" is checked and click continue.
Step 5. To check, once the commission is approved, from your admin dashboard click the email under Recent sales and leads.
Step 6. Check the commission amount and status should be approved then submit.
Step 7. To check the commission added to the invoices. Go to rewards.
Step 8. Manage invoices.
All of the approved sales will be added to an open in voice.