DreamScape Daemons are helper objects that are able to alter the Sea Surface mesh directly. To use them inside the Sea Surface, you have to use the Pick button to add a Daemon to the SeaSurface Daemon list.
On - This checkbox activates the use of all Daemons selected in the list.
Pick DreamScape Daemon - This button allows you to choose a DreamScape daemon directly in the 3ds Max viewports or by using the H-key option.
Remove DreamScape Daemon - This button allows you to remove the selected DreamScape daemon from the Sea Surface.