May have something to do with drm. When you download a pdf, you get some watermarked version with a rightslink banner. However, when you view it, it doesn't sho

May have something to do with drm. When you download a pdf, you get some watermarked version with a rightslink banner. However, when you view it, it doesn't show you the banner. They didn't want to ruin your viewing pleasure with the banner. So they ruined it with the shitty pdf viewer.