Glade air fresheners and other related items are harmful to a frog. That’s why I stay clear of those. However, my mom is also an “incense hound” lol (they help soothe her migraines) and she has on occasion burned some in the same room as my frogs. But the room was open and had good air circulation. I have also burned candles in the same room as my frogs. During the times in which these items were burned, my frogs were fine.
As long as the room is well ventilated, you don’t burn a lot as Motob3000 said, and you monitor your frogs during the first incense uses, I believe you are safe. My frogs were.