You can set Blog Page Settings for the whole site to make your Blog page (or Pages) correspond your needs. You can later on customize one or several of the blog pages (if you have more than one) via Options directly in the page editing section.

To manage your default blog settings go to Theme settings > Blog:


and the following menu will appear (example screenshots are taken from Riviera theme):


You may specify following Blog Page Options (Theme Settings > Blog > Page):
1) Show/Hide Posts Date
2) Show/Hide Posts Categories
3) Show/Hide Posts Author
4) Show/Hide Posts Comments
5) Show/Hide Posts Tags
6) Show/Hide Posts Read More Button
Read more about setting a specific Blog Page and managing its individual options  - open post.

Also, find out on how to manage your Blog Post  default settings  -  open post.