Enable Shopalyst Access to the Account
Visit https://ads.google.com and navigate to the Account Access screen from your Manager Account. The Account Access screen can be found from Tools & Settings -> Setup -> Account access.
View the Users Tab
Add a new user with Standard access. The email address is firstname.lastname@example.org
Share the Account Id with the Shopalyst Team
Make a note of your manager account Id and share that with the Shopalyst Team. You can view the account id by logging into the manager account and clicking on the account details.