After you have successfully logged in to Drive, check that you have downloaded the PDF you want to edit to your local computer storage or another place you can easily access it.

If you need to edit PDF on iPhone in a hurry, you can do so without having to install any new app. Just use the native Files app. Let's show you how.

Need to make notes in a PDF, or perhaps correct a few typos or reorganize the pages? Here are the tools and tips you need.

To see alt text in a completed PDF document, you'll need to use a screen reading app, which is an accessibility tool for visually impaired users.