If I'm drawing a character for someone, I will always read the entire profile and look at all images available, but sometimes there's not a lot of info to go off of. This usually isn't a big problem as long as you've got a reference to see what the character looks like
If I may suggest a "drawing prompts" section to someone's profile, it really helps when trying to figure out a pose/action. Hobbies are good to list as well, but sometimes they can be too vague. Example: woodworking. Do they whittle animals the size of chess pieces, or do they build full size dressers? Do they paint their work? Display it? Sell it?
Calling a character nice, sweet, stubborn, clever, smart, etc is good for expressions. A sweet girl probably won't scowl in a headshot. But if you want a more dynamic outcome, it's good to have additional information. For example, if you've got this sweet girl, some potential prompts could be:
"Can be drawn with/as...
- biking to school
- picking flowers
- having her morning coffee
- sorting through seashells
- tying her hair up
- trying on different outfits"
It can be pretty much anything you can see this character doing but it gives an artist a nudge in the direction you want to go with it. Having a character that likes flowers doesn't necessarily mean they like going outside to pick them. She might not like biking but it's her only way to get to school.
Of course, take this advice with a grain of salt. This is just my opinion :3