This article describes how to integrate FortiAuthenticator to see logs in FortiAnalyzer .
FortiAuthenticator and FortiAnalyzer
Check if the version and FortiAuthenticator model is supported in these related documents:
Make sure there is no connectivity issue between both, and that port UDP 514 is open if there is the device in between:
Set the IP of FortiAnalyzer/FortiManager in Log Settings:
Authorized the device in FortiAnalyzer, and select FortiAuthenticator ADOM (need to enable ADOM).
FortiAuthenticator only generates Event type logs and will send to FortiAnalyzer the same.