You should go to CUCM > User Management > Application User and create the AXL user account there.
On CUCM, you may create an user as "Application User" or "End User". "Application User" is always stored in the CUCM database while "End User" could be in CUCM DB or LDAP depending on your configuration.
These are the paths to get to each CCX logs through CLI. They may be helpful if you are having issues accessing RTMT or downloading logs through it.
If you want to download them you have to prefix "file get " and you can add one of the options (re...