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....$document = new Document ( $inputFile ); // Add a new page to document...BackgroundArtifact object $background = new BackgroundArtifact (); // Specify...