By default, Post offer, Review format, post thumbnails are available only for Posts. You can enable them for other post types.
Note! From 6.8.9 version of theme, you can enable this option in theme options – global enable – Duplicate Post Meta boxes
For this, do next steps:
Edit file
admin/metabox/post_type.php and add your custom post type in line
‘types’ => array(‘post’),
example
'types' => array('post', 'mycustompost'),