Yes, you can do this, and you can even use a Profile from a Windows client on a Mac and vice-versa. On the Mac the profiles directory is here (I'm running Tiger, by the way):
/etc/CiscoSystemsVPNClient/Profiles
or here (the path above contains a link to the path below):
/private/etc/opt/cisco-vpnclient/Profiles
HTH - Good luck!