I don't remember if Drive PDF Viewer was pre-installed or not, but that's what I use. https://forums.androidcentral.com/e....google.android.apps.pdfviewer&token=F8dDToqB
I don't remember if Drive PDF Viewer was pre-installed or not, but that's what I use. https://forums.androidcentral.com/e....google.android.apps.pdfviewer&token=aMfblrvY
The only problem with Adobe is weight - it's a lot of program for a small function. Foxit MobilePDF is much lighter (uses fewer resources).
To clear the download history, tap the icon, tap "Clear List" (at the bottom) and tell it to clear.