Hello @Friendly_Solacee6e0
I hope you are doing well, and thanks for reaching out. Sorry for the trouble you had.
The blue signature alert is the document message bar for signature validation, it is a security/status indicator, not a font-size control. In Acrobat, signature validation details are shown in that bar when digital signatures are checked.
The blue message appears to be an Acrobat guidance/alert overlay. In Fill & Sign, the font-size buttons control typed text; a placed signature is resized using its blue corner handle.
For signature font size, the behavior depends on workflow:
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If this is an Acrobat Sign request, the signer usually cannot control final signature font sizing directly. The field author controls field appearance (including font size or Auto) in authoring.
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If the signature field is already finalized, the signature appearance cannot be edited afterward in that same signed state.
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For typed or drawn signatures in Acrobat Sign, account or group settings can also affect formatting consistency.
As a workaround, place the signature temporarily in an unobstructed area, select it, drag the blue corner handle to the required size, and then move it into the signature field. You can also use the arrow keys for precise positioning. Complete this before saving, because a saved signature placement cannot be edited afterward. See: Fill and sign PDF forms.
If the banner still covers the resize handle, update Acrobat/Reader from Menu > Help > Check for updates and retest. Also, request the sender or form owner adjust the signature field appearance before sending, then resend for signature.
Reference help articles: Setting field appearance in Authoring
Configure well-formatted signatures
I hope this helps, and please reach out if you need any assistance.
Regards,
Anand Sri.
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