Places the annotation in the right bottom corner of the entire figure, ensuring it remains visible and does not interfere with the plotted data.

import plotly.express as px

fig = px.scatter(x=[1, 2, 3], y=[1, 2, 3], title="Try panning or zooming!")

fig.add_annotation(text="Absolutely-positioned annotation",
                  xref="paper",
                  yref="paper",
                  x=1,   # Position near the right edge (1 is the rightmost point)
                  y=0,   # Position near the bottom edge (0 is the bottommost point)
                  showarrow=False,
                  xanchor="right",   # Align text
                  yanchor="bottom"   
)

fig.show()

Here is how it shows