Applying to USC Marshall | Creating a Strong MBA Application | Target GMAT | Meet in The MBA Tour 

Yes, there are definitely those who have been known to get admissions without a test score. However, if requesting a waiver, you need to ensure that you have an excellent academic track record otherwise. Unless your application really stands out, having a test score is better than not having one.

Yes you can but the chances of admission are slim. Most good business schools in the USA require a minimum of 2 to 3 years of work experience.