My client wants to deploy the Norton Antivirus with a third party app with one MDM insted to use the SEP Cloud MDM
Can I install the Norton Antivirus on Android Devices without use the MDM SEP Cloud?
Yes, you can use a third party MDM to deploy SEP.cloud:
https://help.symantec.com/cs/SEPC/SEPC/MDM_SymMDM/title?locale=EN_US
When you turn off the MDM option in SEP Cloud, only the Security application gets deployed. This application provides you with Antivirus and other protection features without the MDM capabilities.