[lalalander]

I might be in the minority, but I really dislike reading PDFs on OS X's Preview while using the touchpad because of accidental horizontal scrolling. I do not understand why Apple decided to make the "rubberband" effect when clearly there's nothing to scroll on the left and right sides of the PDF. If anyone has a solution to prevent horizontal scrolling on OS X applications (Safari, Preview etc), please do share.

[jhatax]

Try this: Preview -> View -> Continuous Scroll.

It did the trick for me on macOS Sierra.

YMMV

[lalalander]

I'll give this a try when I finally upgrade to Sierra. Thanks!