I’m in my holidays now, but I’ve found something that may work on this question: https://answers.unrealengine.com/questions/257161/linker-error-in-editor-builds-using-executeonpxrig.html
I’ve noticed that other classes like WheeledVehicleMovementComponent call various functions of PhysX throught ExecuteOnPxRigidDynamicReadWrite, so it may be usefull for us…I think