code outside the loop & show multiple author bio

1) how does the code look like when we place a code outside the loop?

if ( function_exists( 'coauthors_posts_links' ) ) {
coauthors_posts_links();
} else {
the_author_posts_link();
}

2) how to show multiple authors bio and information?

Thanks

https://www.ads-software.com/plugins/co-authors-plus/