The admin can view the transaction details from the Order View page and the Transactions page.

To view the transaction details from the Order View page

1. Go to the Magento 2 store Admin panel.
   
2. On the left navigation bar, click the SALES menu, and then click Orders.
   The Orders page appears with all the orders listings as shown in the following figure:
   
3. Scroll down to the required order row.
4. In the Action column of the respective row, click the View link.
   The corresponding order view page appears as shown in the following figure:
   

   In the Payment Method column, the payment method name appears.

5. In the left navigation panel, click the Transactions menu.
   The transactions list appears in the right panel.
6. In the right panel, click the required row.
   The transaction details appear as shown in the following figure:

To view the transaction details from the Transactions page

1. Go to the Magento 2 store Admin panel.
   
2. On the left navigation bar, click the SALES menu, and then click Transactions.
   The Transactions page appears with all the orders listings as shown in the following figure:
   
   All the transactions are listed on this page. In the Payment Method column, the payment method name appears.
3. Click the row of the required transaction to view.
   The transaction details page appears as shown in the following figure: