Virtualisation of Domain PCs/Users (Users will access from 2x Remote Sites)

We have this existing network that you have preview on the file in attachment: (Network Topology and Diagram. pdf) As you can see we are in a area without any Network/TELCO Infrastructure because of the geographical location of the 2x remote sites. We can't also bring any Fiber-Optic or TELCO cables to the main-sites. So the only way to Interconnecting the 3x sites are by P2P- RADIO (Point-to-Point) with Antennas of 2.4GHz (Average of 30-40 Mbps symmetric) and also with Antennas of 10GHz (Average of 80-100 Mbps symmetric). The only Local Internet and Phone provider in the area are also connecting us with the outside world by P2P (Point-to-Point). Because of the limited bandwidth between the 2x Remote sites to the Main site. And also their Accounting/Production and others Servers that are very sensitive to micro disconnections. A lot of users at the remote sites can't work or staying connected to the main site permanently. And it is frustrating for them to even do a simple job from their computer because of the slowness. We finally have approval from our client to go with the integration of a Virtual- Server that could host all the 2x Remote Sites PC/Users sessions and they will access easily from their local computer by RDP session or any other Terminal session. Like this the traffic of Data across the P2P connections and sites will be lighter and faster. The right freelancer has to be familiar with all our systems and applications because everything that the users will be doing. It will be done remotely in the users session on the Virtual server. Everything ( personal data editing/sharing, Microsoft Office, network & attach printing, Internet browsing, Domain and Security, Enterprise Applications etc..).. Nothing will be on theirs local computer. Just the icon to open the terminal or remote sessions. We are not sure if the best solution will be to go with Hyper-V vs VMware or Terminal Server. Also, we have to make sure that this will not slow-down or affect in anyway the network and systems performances at the Main site. Good Luck