The issue being discussed in this article is:
When you embed PDFs in a Visio drawing, you receive the following error message:
An error (1416) occurred during the action Save.
There is not enough memory to complete the requested action.
The following is the screenshot of the error:
The following is the resolution:
1/ Select the PDF(s) in your Visio drawing.
2/ Click the Group menu item.
3/ Select Ungroup.
If you cannot resolve this issue, please open a Support Ticket.