Once you have finished delimiting the stockpiles in your capture and assigning their corresponding materials. You can export a report easily. To review how to delimit stockpiles, see here.
Click the Materials tab on the upper menu. At the bottom of the materials list, you will see two buttons.
One lets you export an Excel Spreadsheet with the exact data in the table above.
The other lets you export a detailed PDF report that includes images and all information about each stockpile in the capture.