Hi Babu, two different things here. On the vendor list both fields do exist on the Vendor table, so personalise works, the names are what catches people. In the Add Field pane search for VAT Registration No. and for E-Mail with the dash, not VAT Number or Email, they are sitting there.
The purchase order one you can't do with personalisation. Those notes live in their own table, attachments and notes are not fields on Purchase Header, and Add Field only offers what belongs to the page source table, so there is nothing to drag onto the list.
To have it as a column you need a small extension, a field or a flowfield on Purchase Header and then on the page. Without code, the attachment factbox on the right shows it for the selected order, not what they asked for but no development.
Glad to help - follow up if anything is unclear.
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Regards,
Grigorios Mavrogeorgis
Business Central Consultant & AL Developer
Work: Gmsoft Limited
Blog: insidebusinesscentral
LinkedIn: linkedin.com/in/gregorymavrogeorgis