Class Libraries & REST APIs for the developers To manipulate & process Files from Word, Excel, PowerPoint, Visio, PDF, CAD & several other categories in Web, DeskTop or Mobile apps. Develop & deploy on Windows, Linux, MacOS & Android platforms....ArgumentException when copying pages from one PDF to other Document objectPDFNEWNET-36654...NullReferenceExcepti when copying pages from one PDF document other Document ...