A: Yes. The FTDI/CH340 drivers are universal for any serial-to-USB converter. They work for ELM327, KKL, and VAG-K-CAN cables.
A "VAG-K Can" interface is a "dual-mode" adapter. It has the intelligence to detect whether the car is speaking K-Line or CAN-Bus and switch accordingly. Because these interfaces utilize a USB-to-Serial converter chip (often an FTDI or a microcontroller) to talk to your computer, your PC needs a specific driver to translate the data. vag-k can driver download
Searching for "VAG-K Can driver download" can be a minefield. Because these cables are often "clones" or generic aftermarket versions, there isn't one single official manufacturer website. A: Yes