Definitely. The show takes elements from actual history and weaves them into the narrative. However, it does take some creative liberties for dramatic effect.
Yes, it is. Narcos: Mexico is inspired by real events and characters related to the drug trade in Mexico.
Sure is. Narcos: Mexico is based on real-life incidents and people involved in the Mexican drug cartels. But keep in mind, it's not a 100% accurate documentary; there's some fictionalization for entertainment value.