is the same as normar arch ?
what is pds kernel? arch have no pds kernel. package linux-pds is in AUR, and you can install it as well (same way) as all other packages from AUR.
sorry i mean tkg pds kernor or any other modifiqued kernel like zen o xamond o liquorix
Kernels are systemd-independent, for now. You can use whichever you want, either yours or from unofficial user repositories.