After you have opened a screen in the Screen editor, right-clicked a solitary label on the screen (without associated entry field) and chose Properties in the pop-up menu, the Screen object properties window opens. On the Field conditions tab (meaning: Box conditions) in that window, you can set conditions under which the current box must be hidden from view.

Click here for information on how to edit screen object properties in general.
On the current tab you'll find the following settings:

Suppress & Read-only conditions

Suppress and Read-only conditions for boxes are not supported by Axiell Collections.