Do I need an app for Google Docs?

Google Docs: Using Google Docs on a Mobile Device - GCFGlobal

The Google Docs app allows you to view and edit your files, but if you want to create folders and organize them you'll need to download the Google Drive app as well. The Google Drive app is available for both iOS and Android.
Source : https://edu.gcfglobal.org/en/googledocuments/using-google-docs-on-a-mobile-device/1/

Why can't i access Google documents?

Can't open a Google file or folder - Computer - Google Docs Editors Help

If a file won't open, a few things could be wrong: The file owner didn't give you permission to open the file. You're signed in to a different Google Account. Someone removed your permission to access the file.
Source : https://support.google.com/docs/answer/6211862?hl=en&co=GENIE.Platform%3DDesktop

Where do you open files on iPhone?

Find files on your iPhone or iPad in the Files app - Apple Support

Find files on your iPhone or iPad in the Files appOn your iPhone or iPad, open the Files app. Don't see the blue Files app icon on your Home Screen? Just swipe down, then search for the Files app.In the Files app, search or browse for the file that you want.Mar 13, 2024
Source : https://support.apple.com/en-us/102570

How do I download or save a PDF on my iPhone?

Save and edit PDFs to the Books app on your iPhone or iPad

Save a PDF attachment on your iPhone or iPadTap the PDF to open it.Tap the Share button .Swipe left over the app icons and tap Books. If you can't see Books, tap the More button. Then tap Books.Oct 24, 2022
Source : https://support.apple.com/en-in/HT205751

How to view files and folders?

View hidden files and folders in Windows - Microsoft Support

View hidden files and folders in WindowsOpen File Explorer from the taskbar.Select View > Show > Hidden items.
Source : https://support.microsoft.com/en-us/windows/view-hidden-files-and-folders-in-windows-97fbc472-c603-9d90-91d0-1166d1d9f4b5

What is the shortcut key to viewing Downloads for the Web browser?

Chrome keyboard shortcuts - Computer - Google Help

Windows & LinuxActionShortcutOpen the Bookmarks ManagerCtrl + Shift + oOpen the History page in a new tabCtrl + hOpen the Downloads page in a new tabCtrl + jOpen the Chrome Task ManagerShift + Esc16 more rows
Source : https://support.google.com/chrome/answer/157179?hl=en&co=GENIE.Platform%3DDesktop