I can´t find where I can adjust the testimonial background image?
Thanks for writing us
The BG image is a part of WPbakery pagebuilder ROW element and can be changed in section's row settings. Please refer this screen recording for more detail on how you can change BG image for Block.
Best Regards,Hina Sultan
I found it thanks.
Any ideas where I can disable the right part of the copyright column?
that is a part of copyright style, however you can remove left side text via csutomizer, please refer this screen recording on how you can remove text on right.