The most important configuration is about selecting the Web Archive manager to be used. This is governed by dependency management in your pom, please see install page.
Depending on the manager used, different parameters will be exposed. The configuration can be found under /hippo:configuration/hippo:modules/web-archiving-addon-services-daemon/archivemanager
This addon exposes a service in HST that fetches all URLs of a document. Configuration for this service can be found in hst-url-service/src/main/resources/META-INF/hst-assembly/addon/org/onehippo/forge/webarchiving/hst/web-archiving-hst.xml. You can change the initialization parameters of the "org.onehippo.forge.webarchiving.hst.service.HstUrlServiceImpl" bean as needed