On a cisco device you need to make sure you have.
aaa authorization config-commands
aaa authorization commands 0 default group tacacs+ none
aaa authorization commands 1 default group tacacs+ if-authenticated
aaa authorization commands 15 default group tacacs+ if-authenticated
aaa accounting commands 15 default start-stop group tacacs+
aaa accounting connection default start-stop group tacacs+
Or you will not get all the commands loged.