We don't restrict that currently.However, if this is important to you,
we encourage you to reach out to your account manager to request the
creation of a feature request for same.
Yes, the same can be achieved using Field Level Permission.Please refer
article below.
https://docs.fortinet.com/document/fortisoar/7.6.1/administration-guide/202940/security-management#Configuring_Roles
Can you specify the product version?Additionally, have you set the CLI
in /etc/environment file directly or used UI or csadm network CLI to set
the same?