Then, just Paste in Inkscape and the individual vector pieces are placed. The image below shows where I've updated an avatar with a better wardrobe and hair style. I also changed his eye color and moved the corners of his mouth down in protest. '-) Inkscape produces SVG graphics, so the edited images looked nice and clean in Inkscape; I just did a copy and paste back into PowerPoint to illustrate the changes. Here are a couple of samples in Inkscape. Context menus provide you plenty of options, including the ability to ungroup grouped vectors:
Below, you can see that vectors come through quite well and can easily be modified.
Again, for my needs, it's a pretty robust tool...and certainly worth investigating.
Have fun! Joe