Explanation:
Step 1: In General Settings, create a new SMS provider
First: Sign up and create an account with the SMS provider of your choice.
Step 2: Sign in to your sales app and change the area to App Settings.
Dynamics 365 Sales, Configure SMS provider
Set up the SMS provider in Dynamics 365 Sales
To set up the SMS provider number in Dynamics 365 Sales:
1. Sign in to your sales app, and in the lower-left corner of the page, go to Change area > App Settings > SMS providers.
[Step 2]
Step 3: Enter SMS provider-specific values
2. From the tool bar, select New.
3. Select the provider. Accept the Microsoft privacy statement and the provider's consent to handle opt-out commands properly. Then select Next.
4. On the Set up provider page, enter the values depending on the provider you've selected.
Then select Next. [Step 3]
Step 4: Add a unique phone number to Dynamics 365 Sales
5. On the Add phone numbers page, select New phone number.
A pane opens on the right to enter the phone number details.
6. On the Add phone number pane, enter the following details:
Phone number: Specify the SMS number that you purchased from the provider in the
<country_code><phone_number> format; for example, +12345678910. Make sure not to enter blank spaces or special characters. [Step 4] Note:
The phone number must be unique for Dynamics 365 Sales. Don't include numbers that were used to configure message features in other Dynamics 365 apps.
[Details omitted]
7. Select Add.
The phone number is added to the list of phone numbers. You can add multiple numbers for different teams and users according to your organizational requirements.
8. Select Next.
9. On the Review and finish page, review the information that you've provided for the channel and then select Done.

To restrict access to documents stored in SharePoint for the contracts team, you should update the users list in the SharePoint site. By managing permissions directly within SharePoint, you can ensure that only members of the contracts team have access to the documents related to contracts.
This approach allows for more granular control over who can view or edit the documents.

Explanation:
Reference:
https://learn.microsoft.com/en-us/microsoft-sales-copilot/install-viva-sales-as-an-integrated-app