Cloudflare infrastructure for diferent level of acces in a company network

We use at this moment Open VPN server for: 1. user class I wich can acces all internal network resurces, through open vpn tunnel (domain admin) 2. user class II wich can acces limited resources on internal network, through open vpn tunnel (domain usser) 3. user class III, its company clients wich connect to a server in the internal network, limited to an acounting application, wich are working as client-server. Basically we have on internal network a virtual windows server wich are hosting this accounting application in server mode, and the clients have a desktop accounting application (acting as a client) wich are connecting through open vpn tunnel to the virtual windows server IP. The important is that the desktop application acting as a client, in the connection setting ask the IP and the location of the server app folder ( for example the connection are [login to view URL]\D. We want to drop the open VPN server becouse is hard to maintain and generate new clients, and change to a cloudfare tunnel instead. We dont now iff can be done based on the limitations of the accountin software client wich need to point to an IP address and from our knowledge the cloudfare enviroment are DNS name based. We need a freelancer wich can deliver the followings: 1. analyze of the current enviroment; 2. proposal and documentation how to