Season beef with salt and pepper. Set pressure cooker to "sear" and add oil.
When hot, add curry paste and sauté for 2 minutes. Add coconut milk, apple juice, and fish sauce. Add beef, sweet potatoes, onions, and carrots.
Close and lock lid, set pressure cooker to "meat/stew", and adjust time to 30 minutes.
When done, natural release for 10 minutes, then do a quick release to make sure all pressure is released before opening lid. Carefully open lid. Season to taste with salt and pepper, if needed. Garnish with cilantro and serve.