There is a public beta for you to check out if you like:
https://www.cosmigo.com/pixel_animation_software/downloads/beta-version
It will recognize your licensed Steam version and activate all features.

Documentation is almost up to date (90%).

The public release should be available soon. It's just some fixes away ːsteamhappyː Follow https://twitter.com/CosmigoPM for more information.
Maybe you can help with reporting problems here: https://community.cosmigo.com/c/beta-version-feedback

Also we decided to publish the first tile mapping video for the beta:
https://youtu.be/pesOUR7_3hc