Droid Transfer allows you to copy any kind of content from your Android device to your PC.
In order for the software to do this, it requires permissions to access the content on your Android device.
You should receive a pop up on your Android when a permission is required by the software. If this is the case, tap "Allow" to allow the requested permission and go ahead with the task you were performing.
However, if you don't receive the prompt when Droid Transfer is awaiting the permission, please use the steps in the article below to manually allow permissions: