You can self-navigate' a document's content controls, but a little help in locating the controls might be helpful. Pathagoras offers a handy tool that will highlight each control to make them easier to see as you a scanning and scrolling your document. (This is the same feature that is available to highlight 'normal' (i.e., unconverted to Content Control) variables.

   See this page for instruction on how to highlight a document's Content Controls.