Could you please share the sample form.

Is it possible to share your form?

I tried to implement your requirement in the form at following link. Please test it and let me know if it works.https://www.dropbox.com/s/v4n9kypdnplc857/Expense%20Report%20v1_0%20-%20LC%20Original_V1.pdf?dl=0

Select the Radio Button list and go its Binding Property. Make sure that the values are different.Look at the snapshot for more detail.

Please find your fixed form at following link:https://www.dropbox.com/s/shnxzsxh11rk2ar/Event%20Data%20Recorder%20Investigation%20Record_Form%20V4.4.pdf?dl=0

I tried to implement the logic as per your reqirement using following script:var rowNodes = Table1.Row1.instanceManager.count;for (var nNodeCount = 1; nNodeCount < rowNodes ; nNodeCount ++) {      xfa.resolveNode("form1.page1.Table1.Row1["+nNodeCount+"].TextField1").rawValue = "";}Sample form is avi...

It seems to be form specific issue, If you could share a sample form, then i can try fixing it.

What is the hierarchy in the LC Designer. It should be exact.Unfortunately, the script doesn't work with Foxit Reader.

I think it's a limitation in LC Designer. However, you get the full sentence on hovering the mouse.

It is not possible via script. The person who signed the form, only he can remove his signature. This is done to maintain the PDF security.