To request a refund, contact <a href="mailto:team@roll20.net" rel="nofollow">team@roll20.net</a>. But I would recommend against it if you really want to play the module. Chances are almost certain that you are simply lacking some setting, probably dealing with player vision. We can help work you through it if you like. For a player to see the map on any page with dynamic lighting enable, they need to have a token on the map that represents a character they control, and that token has to have A) Sight, and B) A light source. These can often be from the same source. Example of a character with darkvision: Or a character holding a torch: This page can explain about Dynamic Lighting and how to use it. I would recommend against using Advanced Fog of War at this time, as the whole system is poised for an imminent change.