# Document (DRM) Documents (DRM) are secure documents which can be viewed in a browser via the Sentinel console or offline via a linked iOS or Android application. {% hint style="info" %} Documents are created (published) from your uploaded PDF files. They can be assigned directly to your users or via Space Groups {% endhint %} The System Documents page lists all of the Published DRM Documents. The Documents can be allocated to spaces for space group manager to assign to their spaces users. The total space assignments are shown in the Spaces column.

### Unpublish Documents To remove a published DRM Document you can click the 'Unpublish' button.

This will unpublish the document and remove all assignments. It cannot be reversed. ### Manage Documents All documents can be managed from their own management page. Click the 'Manage' button to go to manage a documents [space allocation](https://yudu-sentinel.gitbook.io/sentinel-documentation/system-administration/document-drm/allocating-documents).

### Publish New Documents Documents can be published from uploaded PDF files. Click the 'Publish Document' button to configure and [publish documents](https://yudu-sentinel.gitbook.io/sentinel-documentation/system-administration/document-drm/publishing-documents).

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