if you have purchased any modules or packages for PDF Architect, you can contact our phone support or create a new ticket in http://web.pdfarchitect.org/support in case of any technical questions or issues
If you have any requests regarding the PDF Architect payment process or activating the application, please use http://upclk.com/contact.aspx
The user guide is located here: http://userguide.pdfarchitect.org/
If you have an individual question, it is best to contact the support directly. If you think that an answer will help other users as well, it can make sense to post the question here. Please note though, that it might take a bit longer to receive a response.