1. Click on Admin > Users on the drop down menu.
2. Click on the User you wish to modify.
3. Users can be limited to Types and/or Saved Views. Click on "Manage Access".
4. If you want to limit the user to access only selected types select that choice and choose the types you want them to have access to. If you want the user to access only selected views, choose that option and then select which views you want them to have access to. Click "Close" when done.