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....== null ) { // If not, add a new one. authorsPart = doc . PresentationPart... add a new one. authorsPart . CommentAuthorList = new CommentAuthorList...