https://github.com/anspress/anspress/issues/503

roles-cap.php

function ap_user_can_read_comments( $_post = null, $user_id = false ) {
    $_post = ap_get_post( $_post );

    // Get current user if no user_id supplied
    if ( false === $user_id ) {
        $user_id = get_current_user_id();
    }

    // All support admins get the green light
    if ( is_super_admin( $user_id ) ) {
        return true;
    }
    /**
     * Filter to hijack ap_user_can_read_comments.
     *
     * @param  boolean|string   $apply_filter   Apply current filter, empty string by default.
     * @param  object               $_post            Post ID or object.
     * @param  integer              $user_id            User ID.
     * @since  4.1.0
     */
    $filter = apply_filters( 'ap_user_can_read_comments', '', $_post, $user_id );
    if(is_bool($filter)){
        return $filter;
    }

    // If user cannot read post then return from here.
    if ( ! ap_user_can_read_post( $_post, $user_id ) ) {
        return false;
    }

    try {
        switch (strtolower(trim(ap_opt('read_comment_per')))) {
            case 'have_cap':
                if ($user = get_user_by('ID', $user_id)) {
                    return $user->has_cap('ap_read_comment');
                }
                break;
            case 'logged_in':
                return is_user_logged_in();
                break;
            case 'anyone':
                return true;
                break;
        }
    }catch (Exception $ex){
        // Can do some logging here without throwing a 500 Error
    }

    // Let's default this
    return false;
}