Building a simple ASP.NET PDF viewer is quite a trivial task. There are tens of different open source projects across the web that offer a quick and free solution to display PDF documents in both ASP.NET MVC and Web Forms. Often a simple implementation of a PDF viewer is all you actually need. But things become a lot more complicated when the viewer needs to meet your customer’s business requirements.... Security. This obvious business demand...Businesses demand uncompromised security for their confidential documents...