I'm using Polar for this and am pretty happy with it, especially with the page marks for reading progress and with the highlighting/annotations. I'm not too fa

I'm using Polar for this and am pretty happy with it, especially with the page marks for reading progress and with the highlighting/annotations. I'm not too familiar with Zotero. Does it have similar features, or do you just use it for storage and read/annotate in your PDF viewer?