You can add this portlet to both system dashboard and personal dashboard.
You can add content of text file, html, jpg, png, gif and DocCare template document to the dashboard.
You can only add content of documents from 'Public' type or 'DocCare Users' type of workspace to system dashboard.
You can add content of 'Workspace Member Only' type of workspace to personal dashboard.
After you refresh the dashboard, new portlet will display.
You can drag the portlet to a proper position. See figure below:

Note: If the document is updated, the content on the dashboard will be updated too.