Zoho Finance Issue in Deals (ZOHO CRM)

I create almost all estimates/Invoi in Zoho Finance when I convert a lead into a deal or a contact into a deal. But in the Deals section, when I click on any person’s deal, I don’t see the estimations or invoicing from Zoho Finance at the end. May I know the reason?

Example, Here I attached SS of I deal overview, I created so many Estimates through Zoho CRM but here I didn't shown them.

Zohobooks already integrated with my CRM