I don't know if there is any interest in this or what it might cost to do, but what would be the possibility of adding "Grammerly" as one of the features of the Sermon Editor?
See Working with Grammarly | Logos on the feedback site
Totally agree! right now, I have to open the sermon in the online version to have grammerly check it.
Available Now
Build your biblical library with a new trusted commentary or resource every month. Yours to keep forever.