A family of Microsoft word processing software products for creating web, email, and print documents.
To extract images from a PDF, you would have to open the PDF in software that can edit that file format, like a full copy of Adobe Acrobat (not Reader), Adobe Illustrator or Adobe PhotoShop.
You can extract images from a Word file by downloading the file to a Windows computer, changing the file ending to .zip, expanding the zip file, then looking in the word\media folder.