In the Object Viewer, you have a number of options for navigating through the model view.
Alternatively, you can click the button (Inline Edit Toggle) to display the Object Viewer embedded inside Style Manager.
Alternatively, right-click in the preview area, and click Pan.
Alternatively, right-click in the preview area, and click Zoom. For further Zoom options, right-click in the drawing area, click More, and select the desired Zoom option.
Alternatively, right-click in the preview drawing area, and click Orbit.
This command works only when you are in perspective projection.
Alternatively, right-click in the preview drawing area, and click More Adjust Distance.