In order to edit the Logo image, Site Title and Tagline please check the instructions below.
You can add/remove the logo image from Customize > Site Identity
To load the Customizer, click on the toolbar link
or from Dashboard > Appearance > Customize
Next, locate the "Edit with Elementor" link in the Toolbar and click on "Header":
Here you can edit the logo size and settings:
Please check this link for more details: Vamtam Elementor Themes: How to edit the header area?
In Customize > Site identity you can also find the Site Icon (Favicon) option - please check this guide for more details: Vamtam Elementor Themes: How to add a favicon/site icon to your WordPress site?