Word processing on iPad Pro 12.9"

Hello,

Yes, you can download Microsoft Word from the App Store. You can also use Apple’s Pages application if you do not wish to pay for Microsoft Word.

Yes, download MSWord app from the App Store.

Read here: https://apps.apple.com/au/app/microsoft-word/id586447913?mt=8&ign-mpt=uo%3D4

Apple's Pages app can open many MSWord documents. Also, MSWord is available as an iOS app.