The Symantec Backup Exec Agent for Microsoft SharePoint (SharePoint Agent) is an optional, add-on component to Backup Exec. The SharePoint Agent enables network administrators to perform backup and restore operations on Microsoft SharePoint installations that are connected to a network. SharePoint backups can be integrated with network backups without separate administration or dedicated hardware.
More Information
About using the SharePoint Agent with SharePoint Server 2007 and Windows SharePoint Services 3.0
About using the SharePoint Agent with SharePoint Server 2010 and Windows SharePoint Foundation 2010