Yes, after you execute the command you should see some sort of output on the right side. From what you pasted though it looks like you need to add a newline between the path and the object, so it looks like this:
PUT /catalog/_doc/1
{
"sku": "SP000001",
"title": "Elasticsearch for Hadoop",
"description": "Elasticsearch for Hadoop",
"author": "Vishal Shukla",
"ISBN": "1785288997",
"price": 26.99
}
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