Most likely, you have either not completed the payment process completely, or you have not installed a Revizzit app to view your new purchase.
Please make sure that you have received an email confirming your recent purchase to verify that you have completed the payment process.
If you have made your purchase, make sure you have installed a Revizzit player.
Please note that unless a product is specifically denoted as an iPad product, it will not be available on the Revizzit iPad App. Because certain kinds of content are not compatible with iPad, such as Flash-based content, each producer decides which products are available on mobile.