We are not selling PDF Architect directly, but using Upclick as reseller and payment processor. So they are actually executing your sale. One of the reasons for that is that they are fully tested and compliant with credit card safety standards, so it is safe to have your sales data there.
PDF Architect FAQ
PDF Architect contacts the licensing server to make sure the license information is valid. It uses the Internet Explorers proxy settings, so please make sure that they are set up properly.
In this document, we describe the deployment process of PDF Architect 3.