i just install the plugin in my local server and I just put all the data in it and when I visit the front end its not showing me the content
Do you are showing the fields with the acf’s functions on your templates?
for example:
<?php the_field('my_field'); ?>
Here more info https://www.advancedcustomfields.com/resources/
For every custom fields you create, you’ll to need show it in your template.
For example: https://www.advancedcustomfields.com/resources/text/