No. Vivo Y93 does not have the LED notification light but it does have the always-on display.
Yes, you can record slow-motion videos on Vivo Y93.
Yes, Vivo Y93 does have the fingerprint scanner.
No. Vivo Y93 does not have the in-display fingerprint scanner. Fingerprint scanner of the Vivo Y93 is located on the back side of the phone.