Finale 27.4, Windows 10, Sonar, (Cubase), Dorico Pro & Dorico iPad
Are the Garritan Sounds loaded on your computer? If you upgraded from an earlier version of Finale, did you skip re-installing the Garritan Sounds? (If so, you should re-install them.)
Use the Score Manager...
My first thought (given the info you have provided) would be for you to create a two-stave system. Put the notes, etc. you want to go on the top on the top staff; then starting with the next measur...
If you want Finale to recognize and use the Jazz symbols, you may need to replace rather than duplicate the original . Once you have done this, you should be able to save your own custom Jazz suffi...
Happy to help you solve this CAT-astrophe.
Page Layout Tool > Edit Margins
Depending on how you added the organ part, break up the group containing the organ (Staff tool).
Sounds as if you are in Insert mode; press the INSERT key (or the corresponding key on a Mac) to toggle.
You can use measure attached text or lyrics with hard spaces attached to a single note.