You cannot use the return on a url field in a shortcode because it only returns the url and this is illegal in WP <a href="[acf field="field_name"]">
You would have to build your own shortcode that returns the entire <a></a> element.
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Accordions are a great way to group related information while allowing users to interactively show and hide content. In this video, Damon Cook goes in-depth on how to create an accessible accordion block using ACF PRO’s Repeater field.https://t.co/RXT0g25akN