Proper UEFI Settings are required when Installing a Hackintosh with Clover Bootloader or OpenCore Bootloader.
UEFI and BIOS are two different terms, There is no such thing as UEFI BIOS. You can read more about that in What is UEFI.
A simple mistake in UEFI setting may prevent your Hackintosh from Booting. UEFI Configuration error may cause macOS to hang on boot process or may even cause kernel panics.