PackshotCreator directly insert the userguide inside the software, so you will be able to discover by yourself the software and its features.
For Windows software:
When you open the software, just click on the ? button, and the PDF of the userguide will open itself on your browser.
For Mac software:
When you launch the software, click on the PackshotCreator button located on the top left corner of the software, and then click on help: