My xray said all 4 sinuses hazy-pansinusitis. Is it some different form of sinusitis? Can ibd cause chronic sinus problems?

Effects all sinuses. This is not likely related to your ibd but may be associated or aggravated by immunosuppressive therapy. This may require treatment with decongesting or irrigation or drainage.
Sinusitis. Greetings. Yes, your sinusitis could be linked to polyps or possibly a fungal etiology. See your ENT doctor for a, proper work up and treatment.