User Rights on Email security server:
An Administrator can edit users’ rights or assign roles to users on email security server.
The possible roles are as follows:
Steps to setup user rights are as follows:

NOTE: If the navigation or the screenshot looks different from the one mentioned above , you may be in an older firmware version and would require a firmware upgrade. Please refer the link below to upgrade the firmware to latest version.
https://www.sonicwall.com/en-us/support/knowledge-base/170504270079039