JiffyPopTart
Bree-Yark
My answer would be no, but I always adopt the FR pantheon and divine politics in my games. I also might use organizations or groups like Red Wizards or Harpers, but I don't use the FR map or locations.
Is it on-going serial or episodic adventures featuring a character with a consistent history? Then yes.
a single Hell plane that contains the 9 Hells as regions and the Abyss as regions around the 9 Hells