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....PdfSaveOptions options = new PdfSaveOptions (); options . setWarningCallback...workbook . save ( "output.pdf" , options ); } Warnings Output After...