In addition to automatically connecting clients to the primary replica, a listener can also be used to redirect read-only workloads to the secondaries. This can improve the performance and scalability of your overall solution. For more information, see Use ReadIntent Routing with Azure AlwaysOn Availability Group Listener.
Note
For troubleshooting tips on Azure listeners, see Troubleshooting Availability Group Listener in Azure in the AlwaysOn Support Team blog.
For other information about using SQL Server in Azure, see SQL Server on Azure Virtual Machines.