You are not owed a read from a professional, even if you think you have an in, and even if you think it's not a huge imposition. It's not your choice to make. This needs to be clear--when you ask a professional for their take on your material, you're not just asking them to take an hour or two out of their life, you're asking them to give you--gratis--the acquired knowledge, insight, and skill of years of work. It is no different than asking your friend the house painter to paint your living room during his off hours.
There's a great story about Pablo Picasso. Some guy told Picasso he'd pay him to draw a picture on a napkin. Picasso whipped out a pen and banged out a sketch, handed it to the guy, and said, "One million dollars, please."
"A million dollars?" the guy exclaimed. "That only took you thirty seconds!"
"Yes," said Picasso. "But it took me fifty years to learn how to draw that in thirty seconds."
yes, oh yes.