Do you have same day pick-up Photo Department?

Yes

"Size, style and delivery: Select the size prints you prefer, if relevant, and whether you prefer a glossy or matte finish. Next, opt for when you’d like your prints to be ready. Depending on the product, we offer a 1-hour photo service, same-day service, home delivery within 3 to 5 business days, and site-to-store within 5 to 8 business days." -Walmart

Yes they do especially if you order from Google photos to pick up at Walmart