Taking a score and turning it into vocal audio file for each vocal part

Taking a score and turning it into vocal audio file for each vocal part

We have 5 scores that need to be turned into an audio file for each vocal part. These would include the Part-Specific Tracks and accompaniment with the Part track loader. There are 5 pieces. One has 3 systems, 3 have 2 systems and 1 has 1 system