customizing parnotes formatting
\documentclass{article}
\usepackage{parnotes}
\renewcommand*\parnotemarkfmt[1]{\textsuperscript{\normalfont\alph{#1}}}
\begin{document}
\noindent
Test.\parnote{first parnote} \textbf{Test.\parnote{second parnote, called from text that is boldface}}
\parnotes
\end{document}
results in