This will be addressed in the next update, sorry about the issue. To work around it, you can assign a different instrument sound to the viola track, which is likely the instrument that's deviating from standard tuning.
Assigning an alternate instrument will change the part name to the name of the instrument you selected, but you can label it as Viola by tapping 'Edit' inside the Tracks menu and selecting the part directly. Our manual entry below has more information on how to do this:
Comments
Assigning an alternate instrument will change the part name to the name of the instrument you selected, but you can label it as Viola by tapping 'Edit' inside the Tracks menu and selecting the part directly. Our manual entry below has more information on how to do this:
http://symphonypro.net/manual#b'changing-part-name'