回复：父母现在在美，我现在可以帮他们申请移民签证吗？如果递交了申请，他们还可以出境回国等吗？谢谢

父母现在在美，我现在可以帮他们申请移民签证吗？
-Yes, but had better do that 3 to 4 months later after your parents entered U.S. to avoid their immigration intent conflict to B2 visa.

如果递交了申请，他们还可以出境回国等吗？
-They only can use AP for the international travel after they fie I-485.
谢谢