VeryPDF PDF Generator SDK for .NET is best PDF Library for C#, ASP, .NET developers. it is a royalty free PDF class library to programmatically generate PDFs using 100% .NET code. On the fly PDF creation using C#, VB.NET & ASP.NET. VeryPDF PDF Generator SDK for .NET is a 100% managed PDF document component that helps you to add PDF capabilities in your .NET applications. With a few lines of code, you can create a complex PDF document easily.