Not that I can find, Rex.
My payments appear to be based on my initial purchase date. Mine comes due the 21st of the month, and I receive email notifications. It's auto-pay, so you shouldn't have to worry about missing a payment.
It would be nice to have something that shows where we are.
This is a new direction for Cakewalk,and your question is valid.
As this thing unwraps, and things come to light, I suspect they will be addressed.
Good question.