we can be used get field from an options page, however, a second parameter is required to target the options page in using while loop and get filed value show and front and
for get display filed
<p><?php the_field('field_name', 'option'); ?></p>
<?php
$variable = get_field('field_name', 'option');
// do something with $variable
?>
<?php if( have_rows('repeater', 'option') ): ?>
<ul>
<?php while( have_rows('repeater', 'option') ): the_row(); ?>
<li><?php the_sub_field('title'); ?></li>
<?php endwhile; ?>
</ul>
<?php endif; ?>