Does Shootproof automatically send clients a courtesy email notification as contacts and invoices approach their due date?

I have had several clients lately who have missed their due dates for signing contracts and paying invoices. Does Shootproof automatically notify them via email the day before or so before the contract or invoice is due? Is there something I'm missing when creating contracts and invoices that I should be checking in order for a courtesy email reminding clients of a quickly approaching due date?