Timesheet reports
There's three ways to review time spent via timesheets:
1. Job timesheet
Visit any job and select the "Timesheets" tab to see all time logged for that job.
2. Timesheet reports
Visit Jobs > … > View timesheet reports to review all time logged across all jobs.
You can filter the timesheet report by date, customer, job or team member.
3. Team member timesheet
If you've enabled field team timesheets, then you can review time logged per team member by visiting Settings > Manage team and select … > View timesheet report which will take you to that team members timesheet, where you can further filter by customer or job.