Hello, We are using GroupDocs Viewer 2.19 currently and we are trying to upgrade viewer 3.0. But i have some questions. In older version of viewer we can set many parameters like SupportTextSelection,ShowHeader,ShowDow…...Hello, We are using GroupDocs Viewer 2.19 currently and we are trying to upgrade viewer 3.0. But i have some questions. In older version of viewer we can set many parameters like SupportTextSelection,ShowHeader,ShowDow…