singin and upgrade button.

<?xml version="1.0" encoding="utf-8"?>
<policyDefinitions xmlns="http://schemas.microsoft.com/GroupPolicy/2006/08/PolicyDefinitions" revision="1.0">
<schemaVersion>1.0</schemaVersion>
<policyNamespaces>
<target prefix="AdobeReaderCustom" namespace="AdobeReaderCustomNamespace"/>
</policyNamespaces>
<policyDefinitions>
<policy name="DisableAdobeSignIn" class="User" displayName="Disable Adobe Sign-In" explainText="Prevent users from signing in to Adobe Document Cloud">
<enabledValue>
<stringValue value="1"/>
</enabledValue>
<disabledValue>
<stringValue value="0"/>
</disabledValue>
</policy>
<policy name="DisableAcrobatUpgrade" class="User" displayName="Disable Acrobat Pro Upgrade" explainText="Prevent users from upgrading to Acrobat Pro from Reader">
<enabledValue>
<stringValue value="1"/>
</enabledValue>
<disabledValue>
<stringValue value="0"/>
</disabledValue>
</policy>
</policyDefinitions>
</policyDefinitions>