add-descriptive-text-to-blocksy-archive-card.php

<?php
function update_read_more_buttons($text,$domain,$key){
	if($key != "set_archive_archive_read_more_text") return $text; // identify your target $key by using error_log($key) and WP_DEBUG Constant
	
	return sprintf(__("%1\$s <span class='sr-only' style='display: none'>about %2\$s</span>","your_domain"),$text,get_the_title());
}
add_filter("wpml_translate_single_string",'update_read_more_buttons',10,3);