You want to extract data from the timesheets as per you need. For example the total number of hours worked by all the users or hours worked on billable projects
This can be done using reports module. Configure a report on timesheets and extract the information that you desire
Here is an example of calculating the total hours logged by all the user Go to reports, configure a detailed report
Make sure to select the Timesheets in the primary module
Specify the fields that you want to show on the report. Make sure to select the total hours field
Specify any condition if applicable
Finally, Save and generate the report