My all domains on whm dont access they files

Hey guys, my whm all accounts clients, dont get access the files of the public_html when they access the domain for example : www.visavisstore.com.br, if showing the cpanel login. # if i access > www.visavisstore.com.br ( for example ) or any another website from my whm, i have the cpanel login and dont the files on my public_html. # if i access > www.visavisstore.com.br/cpanel ( and try log in ) i got the error image bellow >