Symantec Data Loss Prevention (DLP) 15.0 and later supports the deployment of both the Enforce Server with the Oracle database and detection servers on the Microsoft Azure infrastructure.
Microsoft Azure support DLP
Symantec Data Loss Prevention also supports the deployment of different servers on the Microsoft Azure infrastructure.
See "Deploying Symantec Data Loss Prevention on Microsoft Azure" for that list.
Remember to follow standard Symantec sizing guidelines when choosing a VM size.
For the latest information on supported versions of both Symantec Data Loss Prevention and operating systems, see "Supported Server Platforms"