Add and Delete buttons in licenses configuration window are not visible
In the license configuration modal there is hidden button bar which allow to add new, delete and save during edit license view. It is hidden by css rule from the sobiadmin.css sheet:
.admin.com_sobipro .btn.btn-subhead, .admin.com_sobipro .subhead, .contentpane.component #SPAdmToolbar {
display: none;
}