The order status page is the final page of your store's checkout. The order status page lets your customers view their order details, status, and tracking information online at any time.

You can also add the PDF link to the Order Status page, allowing customers to download the document by clicking a button.

1- Login to Order Printer Pro (Shopify admin > Apps)

2- Go to Automated PDFs in the left navigation menu

3- Select the template you would like to provide to customers automatically, then click the Setup PDF link button.

4-The PDF link settings page will appear; customize the fields, and make sure to select the Order Status page and go to the next step.

5- Click on Publish Download button

And that's it; you're done!