First, I always recommend an office evaluation with a vaginal reconstructive surgeon. Urogynecologists get special training in vaginal support, the pelvic floor, and the how the vagina works for sex and other normal functions (like bladder and bowel.). You may have a condition known as rectocele, cystocele, pelvic organ prolapse, etc. Second, to answer your question, after discussion with your surgeon, don't be afraid to discuss your goals clearly before proceeding with any treatments or surgery. Your surgeon should be able to come up with a plan, based on your anatomy, that will help with your decreased sensation and appearance. There are procedures that help with internal anatomy and feeling, and others that address the appearance of the outside. These are often combined and work together.
Most vaginal reconstructive surgeons have seen this several times. Those of us that used to be involved in vaginal deliveries know how traumatic a delivery can be to the tissues.. (but also the start of a wonderful journey with your baby...). In short, yes you have options. the torn labia may be able to be repaired and/or a reconstructive surgeon can discuss your desires for a specific result. As with any reconstructive surgery, everyone heals a little different so you will need to keep that in mind as well.
I'm sorry you are still so uncomfortable. Most patients I've seen are better by 3 months and certainly not experiencing "major discomfort." It's hard to comment for sure without seeing/examining the area. But the firm areas may be suture granulomas or a local reaction to the sutures. Sometimes it takes people longer to heal and fully dissolve the sutures under the skin. Honestly, you may want to give it a bit more time. But if the tender areas persists, revision is an option. The more time it has to heal, the better the tissue will be for a surgeon to work with.
There are almost always options - nonsurgical and surgical. But it does depend on what you are trying to achieve and over what time period you would like to achieve it. The question becomes whether or not non-surgical treatment will provide the level of results you're looking for with a healing time you can tolerate. Surgery may have a longer recovery period and down time. However, non surgical treatments such as Profractional Laser Therapy or Intense Pulsed Light (think SkinTyte) will produce results over time. Although there will be less healing time, the results may be slower to develop. And it may take 3 to 5 treatments about a month apart. Overall, the cost may be less with nonsurgical treatment. Do you have time for the incisions to heal from surgical correction? Or do you prefer nonsurgical therapies that work gradually to tighten and shrink the skin and underlying tissues? Seeing a qualified reconstructive surgeon can provide a thorough discussion of all the options. Then you can decide which is right for you. Hope that helps!