Answers:

1. YES you can apply and work for another employer as long as you are still in a HUSBAND VISA and your current employer does not convert/process your visa to a WORKING VISA and your husband did not release you & you did not sign a legitimate/legal binding employment contract with you current employer.

2. YES you can work for another employer and start as soon as possible even if your evaluation and licensing is not done, THAT is if you applied in derma clinics/dental clinics/school nurse/company nurse etc.