DOCman is a document and download management system. DOCman enables you to manage documents in various categories and subcategories and restrict user to upload, download or edit documents in all categories.
Onwards DOCman2 version its working is based of Joomla User Group. So, there is no need to have a separate app for Docman in PayPlans. Now in PayPlans using Joomla User Type app admin can do the all the DOCman related work based on the Joomla User Type.