Hello,
1) You can change the logos of the brands from Products >> Attributes >> Brands >> Configure items.
Screenshot for Clarification: https://ibb.co/YbNYBCf
2) To change the logo on mobile you need to Go to WoodMart >> Header Builder >> Edit Header >> Mobile.
Screenshot for Clarification: https://ibb.co/yhbYm6V
3) You can set the social share buttons to display from Theme Settings >> Social Profiles.
Screenshot for Clarification: https://ibb.co/2s7FhBB
4) You can change styles and Colors from Theme Settings >> Styles & Colors.
Best Regards