The Telerik DNN provider for RadEditor supports different configuration files for different user roles. For more information, see the following forum post - http://www.telerik.com/community/forums/dotnetnuke/skin-objects/different-versions-of-the-toolsfile-xml-file.aspx
In addition to the configuration options listed in the post above, you can also set the ToolsFileRoleNames property with a list of roles - e.g. "Role1,Role2" and the name of the role will be appended to the tools file name - e.g. ToolsFile_Role1.xml, ToolsFile_Role2.xml
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