Open document in Adobe Acrobat reader (or other) - you will see areas identified with a box “3rd party logo” – right click to add image of your logo – use jpg etc (NOT png as this is designed with a transparent background so the box will still show).
Open document in Microsoft PowerPoint - you will see areas identified with a box “3rd party logo” – right click to change picture with your logo – any type should work eg jpg, png etc.