Can documents be edited or added to after they are submitted?

Can documents be edited or added to after they are submitted?
Audience:
International Students
Video Topics:
Step 3: Complete Your Application
Are you finishing up your application to a university in the US or about to start and have questions? Watch a webchat with Michael Nixon, Acting Director of Admissions at Catholic University as he explained some of the common problem areas of the application process for US universities as well as answered questions from a global audience. This is a perfect program for those who are in the middle of applying or are thinking about applying to a US university in the near future. So watch and get answers to help you finish that application!