She's a cute girl. I like the muscle on her, I think it allows you to fit her a bit better and take up her barrel. I absolutely LOVE her color. What a pretty mare she is.
The first thing that strikes me is how downhill she is. Her croup should be the same height as her wither, and it does sit quite a bit higher. A horse with a higher croup, means they have hind legs too long in proportion to the front legs which can create problems with stride and forging. You may also get some saddle sliding issues. With a longer hind end, you will likely also get more thrust which might give you a rougher ride to sit. This could actually be considered a benefit in a dressage horse as it would allow the horse to crouch down more easily in collection. Her hip has quite the hip bump, tho I bet you it might just be bone conformation with a high pelvic bone.
She has some really nice hocks on her. The larger the hock, the larger the shock absorption and buffering between bones. If she has a larger hock, it would also limit flexion a bit more in the hind end and would produce a clumsier gait. Her hock should be level with the chestnut, which actually sits just a bit higher than where it should be. She looks like she might be camped out behind? Hard to tell because of where the photographer was standing when they took the photo.
Will not critique the hind end photos you posted in much detail, because I prefer photos with the tail out of the way or tied up. What you can see in her hips tho, is she has what I would call rafter hips meaning she has hips that are wide and flat.
She is long in the back. If you were to visualize her in thirds, you will see she definitely is longer than what you would normally want to see. Keep in mind its one of the most common horse conformation faults.
Her shoulder isn't to bad. It is a bit more upright than what you want to see in a horse. The angle of the shoulder, gives you a good idea of what the horse's gait is going to be like. It will reflect on the amount of concussion she will get. A well sloped shoulder, acts as a shock absorber. A long laid back shoulder and a long horizontal rump are essential for speed, because they unable the legs to swing forwards and back with a greater range of motion. The shoulder in let's say a draft horse will be more upright as speed is not required. The stride can be a lot shorter. Same idea applies here.
I think she has a lovely head, with a lovely eye. She seems to have a very gentle temper. Her neck is a bit short for her built. You want your horse's neck to be one third of the horse's length or 1 1/2 times the length of the horse's head, or the same length as the front legs. A short neck is common with a short upright shoulder. A shorter neck is a bit less supple. I really like where her neck ties in with her shoulder.
Unable to give you a critique on her front legs because of the wraps.
Hope it helps!