There are several different versions of Cintra People HR, which will control what you can see and do. These are:
Leave: The basic version which lets employees and managers handle employee leave.
HR Essentials: The mid-level version which provides all the functionality of Leave plus
HR Success: The top-level version which provides all the functionality except Time, which is a an add-on.
Time: An add-on that handles lets employees manage clock-in/out and timesheets, and the associated management functions.
Each relevant HR help article will display in which versions of Cintra People HR the feature is available.
For more information on setting up these versions, see Selecting a setup guide.