Here's how to access the author reports:
Log in to your knowledge base admin account and navigate to the "Reports" tab. Select "Authors" from the vertical menu.
Contribution: The report provides data for the authors' activities such as the number of articles created, total 'Up Votes' and 'Down Votes' received, number of reads on their articles, etc. You can download this data by clicking the download button.
You can click on the "Time" icon under the "Timesheet" column to access the timesheet of an author and check the timings of their logins and logouts for the last 30 days.