Problem when scrolling a scanned PDF

Hello,

I have scanned 16 pages by using Acrobat Pro.

If I scroll vertically the PDF file by using the mouse, I have noticed that the content of the PDF file disappears then appears again when I stop the scroll.

I have tried to scan again the 16 pages by using other settings like changing the quality of the scan but with no effect on my problem.

Have you a solution ?