About zooming pages
You can enlarge or reduce a page to any size allowed – within the range of the minimum and maximum zoom levels. When you zoom in to a size larger than the window, you can use the Hand tool to move the page.
Use the Hand tool at the top of the Panel bar to move around the page. Define its behavior in .
About the Zoom controls
Use the Zoom tools beside the zoom ratio box on the View bar to expand or reduce the current Document View. You may also select a preset zoom factor or enter a desired factor directly.
About the Zoom-In / Zoom-Out tool
Select the Zoom In (+) tool in the View tab of the ribbon to enlarge, or the Zoom Out (-) tool to reduce the view.
While a Zoom tool is selected, hold down the ⌘Command key when clicking on the document area to switch to the opposing Zoom tool.
About the Loupe View tool
Use this tool to view a highly enlarged page view within the loupe area. You can change the scale of the loupe and move the loupe freely within the program window. See Set up a Loupe View window for detailed steps.
Using page thumbnails to zoom
Page thumbnails display in the Pages panel. A red box in the thumbnail shows which part of the page is being displayed. Drag corners or edges of this box to change the part of the page that is visible.