Point to note: Depending on your purchased theme, screenshots can vary.
You can change the logo from 'Templates > Saved templates' as per the header you're using on your site. Go to the 'Select Custom Header' section of any page, and you can understand which header is used on that page. For example, please go to 'Pages -> Select a page ->Edit' and scroll down a bit, and you'll see a section to choose header styles ('Select Custom Header' section).
As per the above example (Figure -1), 'Header Two' was selected. This means Header Two would appear on that page. If 'Theme Default Header' is selected, then the header would run from ‘Theme Options > Header > General > Header Style’. As per the below screenshot (Figure -2), 'Header Three' is being selected on ‘Theme Options > Header > General > Header Style’. This means Header Three would appear on that page (If ''Theme Default Header' was selected from page level).
Now, you understood which header style is using on your all pages. You can change the logo and all other options of any header from their respective header template. For example, if the header 'Style One' is running on the home page, then you can change the logo, and all other options for that header from 'Templates > Saved Templates > Header One' template. And, if you select header 'Style Two' from About page, then you can change the logo, and all other options for that header from 'Templates > Saved Templates > Header Two' template, and so on.
For details, please follow our header tutorial:- https://radiantthemes.zendesk.com/hc/en-us/articles/360041171694-How-to-add-edit-header-and-sticky-header-style-through-Elementor-For-those-themes-only-which-have-Header-Builder-