Extraído da página man:
sudo is used to execute commands as another. Root or any other user that you have creds for. So, devops is just another user on the system.
DESCRIPTION
sudo allows a permitted user to execute a command as the superuser or another user, as specified by the security policy.
UPDATE;
O mesmo que para su. Qualquer usuário, root ou outro usuário no sistema. Aqui está a página man:
su - run a shell with substitute user and group IDs
SYNOPSIS
su [OPTION]... [-] [USER [ARG]...]
DESCRIPTION
Change the effective user id and group id to that of USER.