You need to first add your pickup points in the settings.
Learn how to add a pickup point here.
Once a pickup point is added pickup location will be automatically assigned to the new orders.
If the pickup point is not assigned or you want to change the pickup point
- Go to the Orders Tab
- Find the order and at the last column there will be an edit icon
- Click on the edit icon and select the pickup point and click on the Confirm button
You can also Bulk Assign Pickup point to see how to do it Click here