Hello,
1/ Check Footer now – https://prnt.sc/23o6hwv Also, I’ve enabled WPBakery for static blocks, so you can edit content of the Footer static block now – https://prnt.sc/23o6nnx
2/ Check the logo in the header now.
3/ Check the header content now https://prnt.sc/23o7e1a , edit it depending on your needs via Theme Options > Header builder
4/ I do not see the problem – https://prnt.sc/23o7f78
Regards