Be sure your "Handles" are turned on in the element selector dialog... If they still are not showing up you will need to log a support ticket. (also be certain you are selecting the civil elements...
IE are you working in 2D or 3D... If in 3D a 3d element is created from the Hz using the profile... if this is selected no manipulators appear when the 3d string gets selected...
use tab and also use right click to cycle through elements that may be aligned on top of each other.
Regards