The extra ingredients used in sriracha dilutes the sauce which makes it slightly less spicy than the chili-based sambal oelek. Sriracha tends to be sweeter with a hint of garlic whereas, all you can taste in sambal oelek is the rich chili and vinegar flavor.
Paprika oleoresin is a natural food coloring and flavoring agent that is derived from the paprika pepper. It is commonly used in a variety of food products to provide a vibrant red color and a mild peppery taste. Paprika oleoresin is made by extracting the pigments and essential oils from dried paprika peppers, resulting in a concentrated liquid form.

No matter what kind of paprika you choose, make sure you cook it with some kind of liquid. All paprika contains a relatively high amount of natural sugar, so exposure to direct heat on the bottom of the pan can burn it very easily. Because of their very different flavor profiles, we do not recommend substituting smoked paprika for regular paprika, or vice-versa.