HI Nathalia,
That’s a good question!
Now, I don’t know After Effects, but (if I understand you correctly), you can use Drivers for the Settings you want ‘linked’ and then you can, by changing one Value (you can make it a Custom Property, if you like), change the corresponding Setting in the Modifier for all Modifiers that use that Driver…
It’s a bit complicated to explain, but, yes, it is possible, but it takes a bit of work…(chances are, that there is an Addon for that…)
