Yes, the runtimes are totally self-contained... i.e. my "V3 Runtime" contains all the Vicky geometries, textures as well as the pose, character, face etc libraries. And as you mentioned (but for others who might have the same question), !DAZ folder which contains the INJ pose information files for V3, M3 and the rest of the family needs to go under your main Poser 5 Runtime/Libraries section.

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"you are terrifying
and strange and beautiful
something not everyone knows how to love." - Warsan Shire