Available Seats in a Learning Plan

Summary

Is there a way to display available seats to an enrollment from the Learning Plan view?

Content

We have some mandatory training in this summer.  I am creating Learning Plans so as to report on who has complete and who has NOT completed this training.  I wanted to use Learning Plans DO or widget so that the user knows which flavor they are assigned to BUT I can't find a way to display the number of available seats.  I don't want users hunting for an available seat by trying to enroll only to find the enroll button is not available because the class is full.  I was thinking about using the Enrollments DO and adding a category