It is recommended to use Service Accounts for Authentication.
The service account should have read only permission if supported by the tool else lowest level of permissions
The PSknowHOW hosting server/env must have web connectivity with tools, PSknowHOW pulls data via REST API with all supported tools
If the connected tools are not available over internet (operates within private network), PSknowHOW is recoemmeded to be setup in the same network.