Yes, Vivo Y83 Pro does have the FM radio support.
Yes, Vivo Y83 Pro does have a dedicated MicroSD card slot.
Yes, Vivo Y83 Pro does have the bokeh mode.
No. Vivo Y83 Pro does not have the fast charging support but it comes with 5V / 2A power output charger, which charges the phone quick.
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.