@Fuentes 5225  if required applications are on the same computer you do not need internet connection.

You need standalone AA installation if it requires for only one computer,  if multiple computers you need LAN to communicate control room … 

@Fuentes 5225 

You can perform a standalone installation but you will require enough resources to deploy a Control-room and at least one botrunner/botcreator, (RAM, diskspace, cpu) 

https://docs.automationanywhere.com/bundle/enterprise-v2019/page/enterprise-cloud/topics/deployment-planning/on-prem-install/cloud-requirements-server-hardware.html

https://docs.automationanywhere.com/bundle/enterprise-v2019/page/enterprise-cloud/topics/deployment-planning/on-prem-install/device-req-for-bot-agent.html

Check the follow doc in order to understand the bot agent communication if you plan install in a  LAN

https://docs.automationanywhere.com/bundle/enterprise-v2019/page/enterprise-cloud/topics/bot-agent/bot-agent-communication-channels.html

Regards.