To edit a PDF file on your Android for free, you can use the Adobe Acrobat Reader: Edit PDF app. While you can’t modify existing text or images with a free account, you can add new text ...

If you want to sign a PDF, this post talks of free tools that let you add a signature to PDF. Type or draw a signature using them.

You can import and add a PDF to OneNote as a file attahcment or printout image, or convert and add PDF to OneNote. Here's how!

Drag the files that you want to combine into a single PDF into the file-list box. You can add a variety of file types, including PDFs, text files, images, Word, Excel, and PowerPoint documents.

Converting PDF to PowerPoint for Google Slides Since Google Slides doesn't support inserting a PDF, you must convert your PDF file to a PowerPoint file.