1. Not directly running plasma preset using Scalar. But you can do it the same way the video shows you, in this case, you can change a plasma preset to be scalar preset.
2. Some preset like meridians preset does not have Scalar preset, only has remote preset. And someone was asking how can they use it with scalar.
For more details, please check the link:
https://www.facebook.com/groups/spooky2scalar/permalink/580406342532928/