Yes, others can access to your web apps via web browser with URL "http://HOSTNAME:9988" or "http://IP_ADDRESS:9988" in address bar.
HOSTNAME is the host name of the machine running MATLAB Web App Server. FQDN (Fully Qualified Domain Name, like machine1.example.com) or short host name (machine1).
IP_ADDRESS is the IP address of the machine, and it could be Internal IP address or global IP address.
To do that, you need to open TCP port (9988 by default), in your inbound rule of Firewall.
