OneDrive, SharePoint and Teams can preview many file types without installing their authoring application. Microsoft's reference includes Office documents, images, PDFs and other formats, with differences between environments and specific limitations for some content. A thumbnail or preview is a viewing convenience.

Illustrative image
Illustrative image.

Check the required editing workflow separately. Being able to view a file in the browser does not mean the service can modify its original content, so choose the storage and application setup around both retrieval and actual use.