The Distributed edition is majorly used by MSSPs and enterprises that have network security devices spread across multiple geographical locations.

The new Distributed Edition version 12.3 comes with the following updates:

• Data migration tool for enterprise edition 8.5 customers to upgrade to 12.3
  
• Compliance reports for WatchGuard device and SonicWALL device
  
• Policy/Rule Management Support for WatchGuard device and SonicWALL device
  
• Policy/Rule re-order report for PaloAlto device
  

For the complete list of features, please refer to the release notes- https://www.manageengine.com/products/firewall/release-notes.html