No, all required documents have to be submitted in the required form before the deadline.
You will receive a written notice concerning the outcome of the selection procedure. However, you can inform yourself about the outcome of the procedure via the application portal (Bewerbungsportal).
You can make two applications of equal value for the first semester.
You can make one application for the higher subject-specific semester.
You can access current processing status for your application via the application portal.