I ran some quick tests. For exterior scenes it’s a bit more challenging, as the shadows in SketchUp could get mistaken for the facade pattern:
However, in the v2 release this will change, where there will be more control over how the sun lights up scenes.
For interior scenes, @SketchVeraslady made a really neat post about how she uses the sun to light scenes (She also has some really neat posts on social media with Veras for interior design using SketchUp): My recommendation about shadow settings for those working with interiors