As Jillaine noted, there are links to style guides from the Help menu. Some tools you might find useful...
Under the My WikiTree menu, click Suggestions. Each has a ? that takes you to help for that suggestion.
If you search using WikiTree+ the results can be output in spreadsheet format.
if you have the WikiTree Browser Extension installed, the Automated GEDCOM Cleanup (AGC) can help cleanup imported profiles. You can find help under Find -> Apps
You can use the BioCheck app for your watchlist. The Detailed Report will show you style issues. Results can be saved to a spreadsheet.