There are a few ways to review this file. If you run a MER from your appliance (Troubleshoot - Reports - Minimum Escalation Report) it will contain that file in the Syslogs archive under the html\bin folder. You can open it in any text editor for viewing. If you want to view it live on an appliance, you would SSH in to the backend and log in with the admin account. You can run tail -f /var/log/messages and see the file as it is updated.
Hope that helps