Yes, this jungle map in video is Tanoa map, from DLC APEX for ARMA3.

https://store.steampowered.com/app/395180/Arma_3_Apex/

You need ARMA APEX edition (include: Arma 3, Arma 3 Karts, Arma 3 Helicopters, Arma 3 Marksmen, Arma 3 Apex).