Licenses
Micro-FortiGuard Server for FortiClient licenses are concurrent, but not stackable.
Micro-FortiGuard Server for FortiClient supports a maximum of 20,000 FortiClient endpoints.
Network Security 
Network Security
NOC & SOC Management
Enterprise Networking
Business Communications
Zero Trust Access 
Cloud Security 
Hybrid Cloud Security
Cloud Native Protection
Web Application / API Protection
SAAS Security
Security Operations 
SOC Platform
Advanced Threat Protection
Endpoint Security