Sure they don’t. Just be aware that if you’re using public trackers you can appear here, as some of the peers track the IPs that appear in the swarms:
https://iknowwhatyoudownload.com/en/peer/

Can you confirm that you have ‘Show Notifications for New Posts’ enabled in your user settings?

Managing this for a large amount of services is a huge overhead for me. I use Sub-addressing and then apply filters based on categories.