If you using vendor class from the pxe boot, it may work.
Like this thread, this feature is pretty new to Mikrotik DHCP Server, but i think it’s pain to add lots of dhcp options set’s, to support all variants.
But here is the thread:
https://forum.mikrotik.com/t/vendor-class-id-replaced-with-generic-option-matcher-how-to-pxe-boot/