Only if they specifically state that they can. The majority of wire strippers are designed to strip the normal plastic casing found on most types of wiring. Teflon coating really cuts down on the grip that a typical set of strippers can generate on the wire, and most normal wire stripper tools will struggle with Teflon-coated wires.
If you work with these components frequently we would suggest investing in wire strippers designed to tackle Teflon-coated wiring.