Press saute on Instant Pot and heat oil.
Place sage leaves in hot oil and let sizzle for 2-3 minutes.
Remove sage leaves and dry on a paper towel.
Add onions to Instant Pot and saute for 3-4 minutes.
Add garlic and saute for 1 minute.
Add arborio rice and stir. Let cook for 1-2 minutes.
Add broth and deglaze the pot.
Add pumpkin puree, salt, and pepper.
Close lid, seal valve, and press manual cycle for 7 minutes.
Once cycle is complete, turn off Instant Pot, quick release, open and stir. If rice is sticking, add a little more broth and deglaze bottom of pot.
Add vegan butter and stir.
Top with crushed crispy sage leaves and serve.