Open and read PDFs on Android. Download and install Acrobat Reader from the Google Play Store. Launch the app. On the bottom menu bar, choose Files. Locate your PDF file on your Android and select it.
Source : https://www.adobe.com/acrobat/hub/how-to-read-pdfs-on-android.html
DownloadingOpen with will download the file and load it immediately in the specified program.Save File will download it and save it to your hard drive.
Source : https://edu.gcfglobal.org/en/basic-computer-skills/downloading-and-uploading/1/
Open your Downloads list. You can open a list of your recent downloads in Chrome by clicking the Menu button (☰) and selecting Downloads, or by pressing Ctrl + J (Windows) or ⌘ Cmd + J (Mac).
Source : https://www.wikihow.com/Open-Downloads
If you want to select all files in a folder at the same time, open the folder in File Explorer and press Ctrl+A (press and hold the Control key on your keyboard, then press A). All of the files in the folder will be selected. Ctrl+A is an example of a keyboard shortcut.
Source : https://edu.gcfglobal.org/en/windowsbasics/working-with-files/1/
You might run into a problem if there's not enough space on your computer for Chrome. Free up hard drive space by deleting unnecessary files, such as temporary files, browser cache files, or old documents and programs. Download Chrome again from google.com/chrome. Try reinstalling.
Source : https://support.google.com/chrome/answer/6315198?hl=en
Clear Browser Cache and Cookies An outdated or corrupted browser cache is a common reason for elements on a web page, including PDFs, to not display correctly. Clearing your browser cache should prompt your browser to download up to date content and hopefully fix the issue with rendering your PDFs properly.
Source : https://www.uhd.edu/computing/training-lms/troubleshooting-chrome-pdf-viewer.aspx