The Shopify Connect for Canva app requires installing an app in both your Shopify and Canva accounts.
Installation Instructions
Start by installing the Canva Connect app in Shopify.
Authorize your Canva Connect account
Copy the code provided to you in the Canva Connect app in Shopify.
Click install the Shopify Connect app in Canva, then select either Use an existing design or Create new design.
This will bring you into the Canva Design Studio, where you can access the Shopify Connect app.
The Shopify Connect interface will automatically open after entering the Design Studio.
Click Open, and follow the prompts until you can Paste your authorization code and click Connect to link your accounts.
The account sync will begin, linking your Product, Collection, and Files images from Shopify into the Canva app.
Now that your accounts are linked, you can search your products and collections within Canva and drag your titles, images, and videos into your Canva designs. You can also publish your new designs back to your Shopify product, collection, or files.
Multi-shop management will be available in future releases.