Perhaps I am not interacting with the most complicated documents but I both consume a fair number of docs I get from work and create docs that I share with others. I have never had a complaint about the docs I create and do not perceive there to be problems with the docs I consume.

What I produce myself is mostly presentations. Other than having to be careful with fonts, they have not been an issue.

The spreadsheets I generate are really simplistic ( in terms of feature use - the math itself may be sophisticated ). I receive some that are a bit more complicated. As I said, I do not perceive issues with them but they could have formatting errors that I do not notice.

Same with Word docs. I used to create more of these and there were occasional formatting glitches but it has been a couple of years since I have authored anything complicated. My intuition is that text documents with a lot of formatting and embedded content are likely to be the most problematic, especially if tracking changes.

Make sure you install the fonts that others are going to use and only use fonts that they are going to have. That is probably the biggest gotcha.

Put it this way, I have Office 365 which I could use on Linux but I use LibreOffice instead. I use O365 mostly for Outlook and Teams ( with a bit of One Drive ).