Standalone: How to Add Canva Navigate to https://app.buildagangsheet.com/merchant/dashboard . Click on Settings in the left-hand menu. Select the Builder tab. Enable the Canva integration toggle. Click Save All to apply your changes. Preview the customer view—you should now see the Canva button. The customer will click Connect to authorize Canva access. They must click Allow when prompted for permissions. Once connected, they can click an image to begin editing. To finalize, click Export New Design from the Canva interface.