Most of the images there now look like centralized remote monitoring done by app.duplicati.com which is part of the value-add provided by Duplicati, Inc.
For more on that general business plan, See Duplicati Documentation section:
Duplicati Inc & Open Source
About Duplicati Inc & its relation to the open source Duplicati
Duplicati Inc is founded with an Open Core model, where the open source client is further developed as open source, but with additional enterprise focused tools and services as a paid feature.
https://duplicati.com/news has more info, and the forum has some enormous topics.
so apparently what’s “possible” may vary a bit, but @iRazvan_2745 gave little info.