Customer viewing
From version 1.3 it is possible to let the customer download the PDF’s from their account, or you can attach it to the different sales emails.
When the customer logs into his account and goes to My Orders and selects an order the below screen will be shown, here invoice tab selected.
When the customer then clicks on Print Order, Print Invoice etc. it will be the HTML2PDF generated PDF, which is presented to the customer.
If the function to attach the PDF’s to the sales emails is used, when the emails is then sent, the PDF and the Term and Conditions (is selected) is attach to the email as files.
See more about the magento extension HTML2PDF