How to take a screenshot of a PDF page.

To create a screenshot of your PDF file, click on the "Tool" > "Screenshot" button and then you will want to click and drag the mouse to the desired area. Once you release the mouse button, the following options will appear:

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You can annotate the screenshots with rectangle, lines, pencil, marker, eraser, Mosaic, or add text.
Click undo to undo the annotations on the screenshot.
Click redo to redo the annotations on the screenshot.
Click save to save the screenshot on your computer.
Click exit to exit the screenshot.
Click capture to capture scrolling screenshot.
Click save the screenshot image as a PDF to save the screenshot image as a PDF.
Click pin to pin the screenshot image to the current PDF.
Click copy to copy the screenshot, you can paste it somewhere else.