Device support matters
Google’s October 29 announcement brings file creation, preview, and editing into Gemini chat. PDFs support web and mobile; the other named formats are web only. [1]
Those formats include Docs, Sheets, slide decks, Markdown, TXT, and code. Google says access covers all users and available app languages. [1]
Our take
For beginners, check the result before sharing it. Try a disposable document and compare its content and layout. We reviewed sources without testing the feature.