To add a Logo to Footer, you can follow these.
#1. First, edit any Pages.
#2. Scroll down to Footer > Click Edit Site Footer
#3. Click Add Block on Top Left of Footer
#4. Choose Image Block
#5. Click Plus icon to upload logo image
#6. Upload new logo file or choose from Library
#7. Drag icon to reduce or increase logo size
#8. Hover on Logo Image > Drag it to desired position in Footer
Result
#9. Click Save on top left of website.
