Exotics do not have a max power level and will never sunset.

Are they sunsetting armor in Destiny 2?

Destiny 2 is killing sunsetting for weapons and armor: "Our execution was off the mark" ... However, this is only applicable to "any weapon or armor that can currently be infused to max Power," meaning gear that has already been totally sunset will still be left behind, including old pinnacle weapons like Recluse.

Are exotics getting vaulted Destiny 2?

Here's what you need to know. Bungie An assortment of Exotic weapons will be vaulted with the release of Beyond Light. Alongside the launch of the new expansion, the November 10 update will see a few big changes to the Tower as well. One of the biggest standouts is the new Monument to Lost Lights Exotic Archive.