When you share access to your GA4 account, the invited users are allowed to see all the properties under the shared account.
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Direct roles and data restrictions in GA4
How to Share Access to Your GA4 Account?
Follow the steps below to learn how to share a GA4 access at the account level.
Step 1
Access Your Account
Navigate to "Admin" and click on "Account Access Management" under the "Account" column.
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Step 2
Add Users
Click on "+" and then "Add users" later on.
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Step 3
Define User's Role
Enter the email address for the new user and choose the "Editor".
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Step 4
Save & Ready!
Click "Save" to confirm that you have invited a new user to grant access for your GA4 account.
Read more on account access management .