How to add payee in multiple transactions?

Open each transaction, one by one, add payee and save. You as a non accountant user do not possess any bulk edit tools.

How i know that i am a non accountant user or not?

Thanks for getting back to us, ankita-jariwala.

You will know if you are the accountant when you see your name on the Accounting firms tab. To check, go to the Gear icon, then choose Manage users, and then select the Accounting firms tab.

Thus, if you are the Master Admin as well as the accountant, you will see your name on both tabs. 

I'll be around if you have other questions.

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@ankita-jariwala wrote:

How i know that i am a non accountant user or not?

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Do you have just your own company account or do you have a QBOA accountant user account for managing multiple client companies?

You can view who you have invited as accountant users (if any) in your manage accountants tab