If I have multiple capacitors from VCC to GND, would the LVS software combine them into 1 capacitor?

It depends on the setup file, but I think that, yes, the standard mimcap devices have parallel reduction enabled. Also note that mimcap devices are polarized, meaning the terminals are not reversible between the layout and schematic.

aren't mim capacitors unpolarized in real life

The parasitic capacitances extracted are different between the top and bottom metal layers, which may be reflected in the simulation models.

thanks for your help, I noticed that was why the LVS didn't match

SOME nfets are asymmetrical. As far as LVS is concerned, be sure you’re using the correct setup file.

$PDK_ROOT/$PDK/libs.tech/netgen/${PDK}_setup.tcl

Without this file, ALL nfets are considered asymmetrical.