Using the Flickr feed option would it be possible to use one Flickr account with multiple sets (a set would present one artist's work) and use this single Flickr account to manage multiple galleries?
Yes. With Juicebox-Pro, you can use the flickrSetId configuration option to display a specific Flickr Set.
Also, would it be possible to embed the links to these galleries on one web page using baseUrl?
Yes. Technically, there is no limit to the number of galleries that you can embed on a single page, although please bear in mind that the more galleries you include on a page, the more images the browser will initially preload (which might slow down your web page a bit when it is initially loaded). To counteract this, you might like to set imagePreloading="NEXT" (rather than the default value of imagePreloading="PAGE") to initially preload only a single image per gallery.
This sample page from the Multiple Galleries support section embeds a couple of different galleries on the same page using a unique baseUrl for each gallery but you can embed as many galleries as you like. Please note that when embedding multiple galleries on a single page, the 'juicebox.js' JavaScript file should be loaded just once per page (not once per gallery).
If you just want to include links to your galleries (to display each of them on a separate page), then this is no problem at all.