Combine cabbage, vegetable broth, diced tomatoes, carrots, celery, onion, garlic, apple cider vinegar, lemon juice, and sage in a multi-functional pressure cooker (such as Instant Pot(R)). Close and lock the lid. Select high pressure according to manufacturer's instructions; set timer for 15 minutes. Allow 10 to 15 minutes for pressure to build.
Release pressure using the natural-release method according to manufacturer's instructions, 10 to 40 minutes. Unlock and remove lid.
