You can stop checkout success page redirection after refresh page, check below code

vendor/magento/module-checkout/Controller/Onepage/Success.php

Comment Out Line No : 26 (in Magento 2.4)

//$session->clearQuote();
https://github.com/mavenbird/order-information-on-success-page-m2 https://github.com/mavenbird/order-information-on-success-page-m2