How to Add a Logo to Purchase Orders

Goal:

Go to Settings → Manage Locations.
Select the location.
Select the [...] on the far right side of the page.
Choose Edit Location.
Hover your mouse on the camera icon on top of the page and select Add Photo.
Locate and select the image you want to upload.
Once the new photo is uploaded, scroll down and select Save Changes.

The logo shown in Purchase Orders depends on what location is selected under the Bill To field.
Users with Manage Locations permission under Settings will be able to perform the steps below.