Step 1: Click "Mathematics OFD Document" (as shown in the picture).

Step 2: In the "Mathematics OFD Document" window, click the "Preferences" button (as shown in the picture).

Step 3: In the "Preferences" window, click "Digital Signature" (as shown in the picture).

Step 4: In the "Digital Signature" window, find "Seal" (as shown in the picture).

Step 5: In the "Seal" column, check "Do not display signature attributes after successful verification" (as shown in the picture).

Step 6: Click "OK" (as shown in the picture).

The above is the entire content that the editor brought to you on how to set the digital OFD reader not to display the signature attribute after successful verification. I hope it can help you.