OmniPage Pro can display three views:
The thumbnail view displays miniature representations of pages. This is always displayed, but you can drag its right border to reduce or enlarge its view.
The image view displays original images.
The text view displays recognized text.
Choose Side By Side in the View menu to arrange the text and image views next to each other.
Choose Top and Bottom in the View menu to arrange the text and image views above and below each other.
Click the Switch Panes button in the status bar to swap the text and image views.