Hello,
You need to use typography settings under Theme Settings >> Typography to use your uploaded font on the site.
You can read our detailed documentation about advanced typography in the following link:
https://xtemos.com/docs/woodmart/advanced-typography-settings/
1) The font is used in different places on your website. As in my screenshot it is used as the default font family.
Screenshot for Clarification: https://gyazo.com/5375bb066ed47f6be9d1b1a195bf9b9c
2) Please elaborate with the help of some relevant screenshot of the specific area to check it myself and help you out accordingly.
Best Regards