Yes, improved body composition during the post-menopausal years CAN happen! It is NOT easy but I have seen results when I follow what I have read in the research - a COMBO of lots of sleep (need that recovery time, even with lighter weights and lower impact!), stress management strategies (keep that cortisol level in check through whatever works for you - yoga, meditation, walks in the woods...), optimal nutrition (decrease refined carbs, sugar, processed food), cardio (interval training a couple of times per week along with some steady state training) and resistance work (weights, bands, bodyweight, metabolic workouts).
Fortunately you still have lots of choices Stacy! Personally I would put in metabolic training at least once per week and interval training twice per week (spin bike, low impact Hiit) along with the resistance workouts that work for your body. The intensity needs to be high on some days of the week to make change, but the impact doesn't have to be!