Filter to prevent Caldera Connected Forms from showing in the form. See: https://calderaforms.com/doc/connected-caldera-forms-hooks/

cf_form_connector_add_next_btn.php

<?php
/**
 * Conditionally prevent Caldera Forms Connected Forms from adding the submit or next button to a form.
 *
 * Requires connected forms 1.1.2 or later
 */
add_filter( 'cf_form_connector_add_next_btn',function( $use, $is_submit, $new_form, $connected_form_id, $process_record){
	//IMPORTANT - Change this to the ID of the form <em>in the sequence</em> That you want to block the submit/next button from loading on.

	//IMPORTANT - Change this to the ID of your connected forms sequence.
	$form_id = 'CF599efb48bba5e';
	if( 'CF598a1253e89e6' === $connected_form_id && $form_id === $new_form[ 'ID'] ){
		$field_values = array();
		if( isset( $process_record[ $connected_form_id ]) ){
			$field_values = $process_record[ $connected_form_id ][ 'field_values' ];
		}

		//Do some conditional logic based on field value, for example:
		if( isset( $field_values[ 'fld_7683514'] ) && 'Yes' !== $field_values[ 'fld_7683514'] ){
			//prevent submit button from showing
			$use = false;
		}
	}

	return $use;

}, 15, 5 );