You can change how events display in audit reports. To customize the display of events in audit reports
Select Settings | User Options.
Click Audit Reports.
By default, events display in local time. You can choose to display events in universal time.
By default, only the latest 100 events display in reports. To change the value, type in the box or use the arrows to increase or decrease the value.
By default, only the reports scheduled by the logged on user are displayed. To view scheduled reports for all users, select Show scheduled reports for all users.
Click OK.
Now in the Active Administrator Console | Auditing & Alerting | Audit Reports click on the Scheduling button along the top and select Scheduled Reports.
Scheduled reports will appear in the left hand pane under Scheduled.
Highlighting the scheduled report in the left hand pane will provide you with the scheduled interval to the right as well as the user (other than yourself) who scheduled the report.