From the top-right menu, navigate to the 'Settings' section. Select the 'Scheduling & Timesheets' tab, and under the 'App' headline you can control which details of the shift will be visible to employees when they apply for shifts.
You can control the following information as general:
Show estimated hourly wage on offers screen
Show estimated hourly wage on booking screen
Show team members per job on app
Hide event location address from employees until they’re booked
Hide client's name from employees until they’re booked
Hide general comments from employees until they’re booked
Hide shift notes from employees until they’re booked