Yes, Vivo Y83 Pro does have the bokeh mode.
No. Vivo Y83 Pro does not have the NFC support.
Yes, Vivo Y83 Pro is a VoLTE mobile phone.
Yes, Vivo Y83 Pro does have the FM radio support.
Vivo Y83 Pro has a scratch resistant display. However, it not confirmed by the brand that if it is Corning Gorilla Glass or some other technology they have used.