The VRF command will only apply for enabling multicast routing within that VRF. Typically with multiple ACL groups that would mean that you're trying to control which RP address is used for different multicast addresses? If so - you need to make these groups completely exclusive of each other. It is not a 'best match' or 'longest match' scenario - if one multicast group can be permitted by both ACLs you do not have control of which RP will be chosen. I have done this previously in 2 different ways. First was completely different group ranges for each RP. Other was when I wanted specific addresses to go to one RP - and all others to go to a 'main' one. To do this - one ACL was for the specific addresses (permit specifics with deny any any at end), and the other denied everything permitted, and then permit any any at the end).
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