With the help of these live demos, provided by Fortinet, you can get a first impression of the user interface and view logs. This will quickly convince you how easy Fortinet products are to use.
This is a demo provided for a FortiSandBox as a standalone unit or several FortiSwitch units managed via a FortiGate.
Access data is required for the login. These are for both demos:

Username: demo
Password: demo

Online Live-Demo FortiSwitch over FortiGate