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....+ ' / data / ' doc = Rjb :: import ( ' com . aspose . pdf . Document...(). add () operator = Rjb :: import ( ' com . aspose . pdf . Operator...