SDP behind reverse proxy at non-root directory

My team is evaluating ServiceDesk Plus. We would like to run the software behind a reverse proxy at a non-root directory. For example, we would like to expose the URL:
https://reverse-proxy.ourdomain.com/support/
as a proxy for the internal URL:
https://sdp-server.internal.ourdomain.com:8443/

We've tried to set up this configuration, but the URLs within the ServiceDesk Plus application's web pages use many absolute paths, which don't work through the reverse proxy (since the external URL isn't a root directory). Is our desired configuration supported? If so, do you have any documentation on how to set up SDP this way?

Thanks for your help.