The "Vault Administrator" profile refers to a system administrator who specializes in managing the vaults. Prior to R13, certain vault administration functions was available through the System and Administration Configuration. It is now packaged as a separate product to more specifically target the vault administrator. Specific new functions are also added into the products to better manage for instance backup and restore and multi-site management.
ENOVIA Vault Administrator Configuration (VAR) Product List
These products are available in several platform levels