Please try this PHP snippet
add_filter(
'hivepress/v1/templates/vendor_view_block/blocks',
function( $blocks, $template ) {
$vendor = $template->get_context('vendor');
if($vendor && $vendor->get_description()){
$blocks = hivepress()->helper->merge_trees(
[ 'blocks' => $blocks ],
[
'blocks' => [
'vendor_content' => [
'blocks' => [
'vendor_description' => [
'type' => 'content',
'content' => $vendor->display_description(),
'_order' => 50,
],
],
],
],
]
)['blocks'];
}
return $blocks;
},
1000,
2
);