The latest release for the Azure Cloud was on September 11th, 2019 and the link in the next paragraph with take you to them.
To get your Microsoft Visio symbols/icons which represent the Microsoft Azure Cloud and AI technologies go to https://www.microsoft.com/en-us/download/details.aspx?id=41937
You can even find more creative ones on the TechNet Gallery at https://gallery.technet.microsoft.com/Collection-of-Integration-e6a3f4d0
As for the Office ones, I’m still looking for an updated link because the link below was last updated in 2016.
As for Microsoft Office products or Microsoft Office 365 deployments including Skype for Business, Microsoft Exchange Server, Microsoft Skype for Business Server, Microsoft Lync Server, and Microsoft SharePoint Server, head over to https://www.microsoft.com/en-us/download/details.aspx?id=35772