On prem agent

Logging

Viewing on-prem agent logs

Windows logs

If running as a Windows service you will be able to view all logs as Application logs: windows-logs If the agent is running in PowerShell, any activity will appear in the PowerShell terminal itself.

Linux logs

Likewise if the agent is installed as a service you will be able to view logs using journalctl or whichever command your system uses. If it is running in the terminal, any activity will appear there.