UserDocumentViewer
The enumeration of  User document viewer options.
            
                
ActiveX = 2
The ActiveX value.
            
Default = 0
The default value.
            
Html = 1
The HTML value.
            
RelativityReview = 3
Use the Relativity Review Interface to review documents.
            
Unknown = 4
Someone made a different choice in the environment, and we're not able to map it back to an enum.