Yes - here are the venue guidelines:
AMERICAN ADVENTURE ROTUNDA:
A minimum of 100 guests is required to book this venue. If your guest count should fall under 100 guests, Epcot® reserves the right to move you from this location. The seating capacity for the lower level is 150 guests with dancing. The seating capacity for the upper level is 80 guests. The venue rental is $2,075.00 plus tax. Functions must begin after 7:00 pm. Any groups utilizing the second floor must purchase an $800.00 plus tax greens package. Disney charter bus transportation will be required. Restrooms are shared with park guests and are located outside of the Rotunda area. All talent performing within Epcot® must be secured by Walt Disney Entertainment through your Wedding Event Planner. All floral, décor items, photography, and videography must be provided by Disney. Opening and closing park hours are subject to change at any time; therefore, event and entertainment hours will vary.
You might want to check out American Adventure Parlor, on the second floor:
AMERICAN ADVENTURE PARLOR:
The venue rental for this location is $250.00 plus tax. The food and beverage minimum (exclusive of wedding cake, service charges and sales tax) is $1,500.00 for events ending prior to 4:00 p.m. and $3,000.00 for events ending after 4:00 p.m. The seating capacity for the dining area is 50 guests based on rounds of 10. Entertainment, dancing and seating options will decrease overall capacity. Disney charter bus transportation will be required. All talent performing within Epcot® must be secured by Walt Disney Entertainment through your Wedding Event Planner. All floral, décor items, photography and videography must be provided by Disney.