Are these formal areas that I would know characters would be going to? HS in Florida just sets the characters out around the hat as well as the Magic of Disney Animation building back near Little Mermaid , AK has little paths the characters are off of, and Epcot has its own little building for character greets.
Yes and No. Do you have a map of DCA? If you do, you can look at the areas/rides posters are referencing, and it might be clearer to you.
Minnie and Goofy are always by an airplane that is between Soarin' and GRR:
Woody, Jessie and Little Green Men are usually found at a covered "patio" area that is right next to the Carousel on Paradise Pier.
I forgot about Mickey (in the Gazebo next to Ariel's Grotto) and Duffy (in his own photo spot, also by Ariel's Grotto).
I have seen Sully by the Monster's Inc ride and also around the corner from that ride if you take the path from Monster's Inc going towards TOT.
Incredibles and Cruella de Ville are often right outside the Animation Academy building.
The Brother Bear bears were on path right in front of the Redwood Creek area; I have also seen them in the Redwood Creek area.
Based on what a PP said, Chip and Dale were probably coming from being in Bug's Land and heading into the CM area by TOT when I saw them. There is a CM backstage door right by where the TOT gift shop lets you out, and I often see characters coming and going there while I am waiting for my family to get off the ride.
Like that PP said, there is a dedicated spot in Bug's Land for characters.
So, short answer to your question, lol, is that there are certain "areas" where these characters usually are, it may not be an exact spot.
HTH!