Is it possible to collaborate online on ZohoSheet not sharing all information ?

I want to collaborate on the zoho sheet with multiple people who will input their own data but I don't want to show them the consolidated sheet and also other peers' data.

I understood that (at least at the moment) I can't share a single sheet or individual sheets with different people in zoho sheet.

Then I want to give to my collaborators an access to the individual work books with editing permissions and then fetch/synchronize these data into my main workbook automatically.

So, could you clarify my following questions?

1. Is it possible to share my zoho sheet with other non-zoho users with the online editing permission?

2. Is there a feature like importRange as in google docs?

3. Is there anyway to collaborate with different people not sharing the consolidated table and other peers data ?

Sincerely Yours

Zorigt