You can align a logo on the left, right or on the centre of the page. See for examples below.
Align logo left
Align logo center
Align logo right
If you want to align the logo, go to the page layout and this screen appears:
On the left side you will find the page layout items. In the list you will find the name: 1. #logo. When you have choosen #logo, you can align the logo by 2. alignment.
Click on 3. save and the logo is aligned.