Client sends: "A custom label we cr

Client sends: "A custom label we created is working on the category page and _NOT_ on the product page. It is also for a grouped item not a simple, but I assume the labels should work on all types of products?"
Is this correct?
If it is not, why? And provide estimate for fix.

Please see attached.

Results (English) 3:

客户端发送：“我们创建了自定义标签的工作类别页面和_not_在产品页面。这也是一个分组项目，不是一个简单的，但我承担的标签应该对所有类型的产品？这是正确的吗？如果不是，为什么呢？并提供估计。请看附。