There are many serious issues with trying to render interiors as visible from the outside. Ignoring the many technical issues, the art assets simply weren't designed to work this way. Interior spaces only loosely correlate to their exterior shell and windows don't even line up between inside and out. Some interiors are larger than their exterior. There are ways you could solve engineer around these problems, but it still wouldn't look great.
Overall, the payoff would be quite small for the amount of work involved. I'm not sure anyone capable of doing this would go much beyond the cost/benefit analysis, even if the cost is just personal time.