Attribute tables are not able to be displayed in ArcPad in the field.
If you need to review your data before checking it back into your geodatabase, you can open your AXF in ArcPad Studio. Right-click on the layer you want to view and select 'Show Data' from the menu. This will open your attribute table in ArcPad Studio.
This is a great resource as the top of the dialog can be used to execute SQL queries. This can help you to identify any errors in your data eg. misspellings, junk data, null values.
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Hannah 🙂