Content originally posted in LPCWare by vtw.433e on Thu Apr 28 00:56:36 MST 2016 You don't need a special driver for MacOS. It will 'just work'.
The device will be called something like /dev/tty.usbmodem*. One way to check will by to list all /dev/tty* devices before and after the virtual USB port is connected and seeing which new one appears.