Add info on Account Roles and device management

Information on Account Roles and how it relates to device management was
added, based of of existing information from the Team based access page.

The information will need to be verified.

QA steps: Ran linter. Checked rendered output.

This commit addresses FFTK-2603

Signed-off-by: Katrina Prosise <katrina.prosise@foundries.io>

source/user-guide/account-management/account-roles.rst

@@ -21,18 +21,23 @@ There are four roles available. The two core roles being:
   - add and update members
   - manage teams
   - manage the Factory subscription plan
+  - register, delete, and rename all devices
   - manage the Factory's Public Key Infrastructure (PKI) and create Waves.
 
 The remaining two each get a subset of the **Owner** permissions.
 
-* **Admin**: Add and update members, :ref:`manage teams <ref-team-based-access>`, manage PKI, and create Waves.
+* **Admin**: Add and update members, :ref:`manage teams <ref-team-based-access>` and device groups, manage PKI, and create Waves.
 * **Accounting** limited to managing the :ref:`Factory plan <ref-subscription-and-billing>`.
 
 .. tip::
     No limits exist on how many members can share a role.
     For example, more than one member can have the **Owner** role.
     However, a single member has only one role at a time.
 
+By default, users can access device groups they created, the devices in them, and the devices they own.
+
+.. seealso::
+   :ref:`Team Based Factory Access <ref-team-based-access>` for permissions related to development and device management.
 
 How it Works: Walk Through
 --------------------------
@@ -56,7 +61,5 @@ and assigns the desired role:
    :align: center
    :alt: UI, changing member role
 
-From here roles can be changed anytime.
+From here, roles can be changed anytime.
 
-.. seealso::
-   :ref:`Team Based Factory Access <ref-team-based-access>` for permissions related to development and device management.