Sauté the oil in the Instant Pot for 2 minutes.
Add in the potatoes, beets, carrots, onion and garlic. Continue to sauté until the onions become translucent and fragrant, around 3 minutes.
Add in the salt, pepper, vinegar, tomato paste, dill and vegetable broth. Press the manual setting, and set for 10 minutes.
When it is done, allow for natural release for 5 minutes, then release the pressure.
Scoop into bowls and top with sour cream and fresh dill, if desired.