I would suggest you to create a site , publish on BC and then add news modules. Test it out which would give you an exact idea.
Create the news items and then insert the module in Muse pages, publish and pages would show the news you have created on BC end.
https://www.youtube.com/watch?v=5W7Ieik-2pk
For archive pages :
https://www.youtube.com/watch?v=-PaDMDLDvog
You can always join live chat team in doubt or for help.
Thanks,
Sanjit