Hello,
Yes, please check the API documentation page of the method (https://www.phpdocx.com/api-documentation/docx-path/clone-blocks-in-docx). The method includes the following option:
type string Possible values are: inline (default) or block. Used by WordFragment values.
to set the replacement type when adding WordFragments:
$docx->cloneBlock('FINDINGS', 1, $variables, array('removeBlockPlaceholder' => true, 'type' => 'block'));
Regards.