Hello HalleluYAH
To view the logs in comodo, open comodo's window and go to
For firewall
Firewall tab >
View Firewall Events
And for defense+
Defense+ tab >
View Defense+ Events
I don't have comodo's anti-virus installed but it should be basically the same idea,
And other people will have to post how to view logs in other anti-virus's or firewalls since I'm only using comodo.