Hard to see the problem. I would just install the latest vam version again, don't use easy mate anymore (its nice but a bit outdated). Download your desired scenes and scan the hub for dependencies.
Store your poses with the position of the root node, there is a checkbox before saving. That should solve your problem.
Or create only poses without moving the root control of your person.
Save your desired poses as pose presets in your desired folder. You may trigger the poses by: person atom -> control -> load pose prest with path
You may do the same for appearence presest. Within an appearance preset the active clothes will be stored.
If you want to pack them to a var, just...
Have you tried those Assetbundles from MOFME
https://hub.virtamate.com/resources/dilldoeorgs-fluids-extended-by-mofme.331/
https://hub.virtamate.com/resources/slime-from-outer-space.339/
VAM has its own hair editor. Where you can create a Hairstyle and define the physics.
Clothing physics can also done in VAM. You can predefine the physics of cloths by a texturemap (can be imported from elsewhere or even created in VAM and edited by a graphiceditor).
For hair and clothes you...