You can mount your cloud drive, and open those files with LibreOffice or OnlyOffice, I certainly do so with Google Drive
It's not the same. I keep the document open on multiple machines (home and work for example) and they update. Then I pull out my phone and add a note to the same document all while it's still open on other machines.
IIRC OnlyOffice can do that Google Docs style collaboration, but it does take extra effort to setup