Answer
You may want to know something about the difference between Foxit PDF Editor and Foxit PDF Editor Pro Both editions allow to create ISO standard PDF/A files, but Foxit PDF Editor this edition version doesn't support PDF A, E, X,AU and VT creation. What does it mean?
Foxit PDF Editor Features:
Convert any printable documents to PDF with PDF/A 1- b compliance. For example, if you have MS word document, and want to convert it to PDF with PDF/A 1-b standard. Foxit PDF Editor Printer can do it for you.
To create the PDF/A 1-b document, open your currently working document, bring up the Print dialog box, choose Foxit PDF Editor Printer, choose Printer Properties, choose PDF/A –1b as the Default Settings in the Setting tab. The image below is a printing example in MS Word.
Verify compliance. You can open a PDF/A, E, X,AU,VT with Foxit PDF Editor and verify the compliance.
To verify the compliance, open a PDF document with Foxit PDF Editor, choose Convert menu, choose Preflight, choose one of the Verify compliance items and choose Analyze to continue.
Foxit PDF Editor Pro Features:
The Foxit PDF Editor pro edition does what the Foxit PDF Editor edition does, besides:
Inter-conversion within one compliance. You can convert PDF/A -1a to PDF/A -1b, 2a, 2b, 2u, 3a, 3b, 3u and vice versa.
To achieve the task, go to Convert tab>Preflight > Profiles > click on the PDF /A, or /E, or/X, choose one of the Convert to items, click on Analyze and Fix to proceed.
Remove compliance information. Saying you have a document with PDF/E compliance and you don’t want it. Foxit PDF Editor Pro can do this for you. To achieve the task, go to Convert tab> Preflight > Profiles > click on the PDF /A, or /E, or/X, choose Remove PDF/ information, click on Analyze and Fix to create a copy of the current file with no compliance.
Save the current file as ISO-standard compliance version. To achieve the task, go to Convert > Preflight >Standards, choose a compliance item PDF/A for example, click on Continue button, and follow the on-screen tips to proceed.
Relative Topics:
PDF/A Makes Long-term Document Archiving a Snap
https://www.foxitsoftware.com/blog/pdfa-makes-long-term-document-archiving-a-snap/
PDF/A-3 Enables ANY Format to be Embedded in PDF
https://www.foxitsoftware.com/blog/pdfa-3-enables-any-format-to-be-embedded-in-pdf/
PDF/E Gives Engineers an Archiving Format All Their Own
https://www.foxitsoftware.com/blog/pdfe-gives-engineers-an-archiving-format-all-their-own/