Some constructive criticism. The video does a really poor job selling this. Here are a few things I've learned from building software over the years.
No matter what the end user says, they do not care about fine-grained permissions. Not that they don't care about your system having them, they just have no interest setting them up or ever changing them. The way us software engineers think about things and the way management thinks about things are just too different. "I just want Mary to be able to see the f*$%ing orders!" It's really too much to go, "Ok, well Mary is part of the Server's group, so you go into Servers Group Permissions, then look at this list of vaguely worded categories and find the one you want, then click into that and get half a million switches, then find the action verb that we've assigned to viewing orders then click it on. Oh yea, this also gave Carlos and Mike the ability to see orders because they are in the Server's Group. Oh you didn't want that? Ok, well make a new group called Super Servers and then put Mary in that gr....."
At this point management has slipped quietly into a coma.
Split this video into a, "Here is what your servers will see, look how easy it will be to get those minimum-wage monkeys to use this" and a "Here is what you will see, look at how much more money this will put in your pocket as you are able to manage more effectively, you king of food you!"
And then make a third video about the nitty-gritty technical details of Role-Permission systems and launch that into the sun, no one wants to see that ;)
I think it could be a really compelling product but right now the video doesn't seem to be addressing any audience (other than maybe other developers writing POS software).
Personal Note: For some reason the line, "Refulgent is very proud that Ambur saves all the information pertaining to all closed orders, just as if they were open." irks me to the very core of my being. Whoa, you did the most logical thing to do by keeping historical records, this is nothing to be proud of. Be proud of the truly innovative parts of this product, not the silly things that are obvious for your software to do.
I wish you the best of luck, just throwing in my $0.02 and trying to share some wisdom I've learned the hard way.