In illustrator I have imported and traced an image as below:
I am now trying to split this object into its four base shapes so I can change the fill of the blue parts. I thought trace would convert the object into four paths but it does not.
After Tracing image first you have to expand that image. then you can ungroup object by right click. After that, you can able to edit the objects individually.
When you use Image Trace, the resulting vector objects are grouped by default by Illustrator. You can either
or